50278 + Interview Questions in Physics

1.	A ball is dropped from the top of a 100 m high tower on a planet. In the last 12 s before hitting the ground, it covers a distance of 19 m. Acceleration due to gravity (in ms−2) near the surface on that planet is
Answer» A ball is dropped from the top of a $100 m$ high tower on a planet. In the last $\frac{1}{2} s$ before hitting the ground, it covers a distance of $19 m$ . Acceleration due to gravity (in ${ms}^{- 2}$ ) near the surface on that planet is

Discussion

2.	What is the value of linear velocity, if →ω=3^i−4^j+^k and →r=5^i−6^j+6^k
Answer» What is the value of linear velocity, if $\to ω = 3^i - 4^j +^k$ and $\to r = 5^i - 6^j + 6^k$

Discussion

3.	Three equal weights of mass 2kg each are hanging on a string passing over a fixed frictionless pully.The tension in the string AB is nearly
Answer» Three equal weights of mass 2kg each are hanging on a string passing over a fixed frictionless pully.The tension in the string AB is nearly

Discussion

4.	Which of the following represents the electronic configuration of a transition element
Answer» Which of the following represents the electronic configuration of a transition element

Discussion

5.	A current carrying closed loop, in the form of a right-angled isosceles triangle ABC, is placed in a uniform magnetic field directed alongside AB. If the magnetic force on the arm BC is F, the force on the arm AC is
Answer» A current carrying closed loop, in the form of a right-angled isosceles triangle $ABC$ , is placed in a uniform magnetic field directed alongside $AB$ . If the magnetic force on the arm $BC$ is $F$ , the force on the arm $AC$ is

Discussion

6.	80-What is concept of Apogee and Perigee in ravitation find ratio of their kinetic energy.
Answer» 80-What is concept of Apogee and Perigee in ravitation find ratio of their kinetic energy.

Discussion

7.	Four persons K,L,M and N are initially at the corners of a square of side of length d. If every person starts moving, such that K is always headed towards L,L towards M,M is headed directly towards N and N towards K, then the four persons will meet after
Answer» Four persons $K, L, M$ and $N$ are initially at the corners of a square of side of length $d$ . If every person starts moving, such that $K$ is always headed towards $L, L$ towards $M, M$ is headed directly towards $N$ and $N$ towards $K$ , then the four persons will meet after

Discussion

8.	A ball is thrown with velocity 10m/sec . Then find time of flight assuming no air resistance .
Answer» A ball is thrown with velocity 10m/sec . Then find time of flight assuming no air resistance .

Discussion

9.	Which of the following relationships between the acceleration a and the displacement x of a particle involve simple harmonic motion?(a) a = 0.7x(b) a = –200x2(c) a = –10x(d) a = 100x3
Answer» Which of the following relationships between the acceleration a and the displacement x of a particle involve simple harmonic motion? (a) a = 0.7x (b) a = –200x² (c) a = –10x (d) a = 100x³

9.

Which of the following relationships between the acceleration a and the displacement x of a particle involve simple harmonic motion?(a) a = 0.7x(b) a = –200x2(c) a = –10x(d) a = 100x3

Answer»

Which of the following relationships between the acceleration a and the displacement x of a particle involve simple harmonic motion?

(a) a = 0.7x

(b) a = –200x²

(c) a = –10x

(d) a = 100x³

Discussion

10.	a †an k open at top contains 100 litres of water. a small opening is made at the bottom of †an k . if 5 liters of water comes out in time t1, next 5L in time t2 and next 5L in time t3 then orrder of t1,t2,t3 is ?
Answer» a †an k open at top contains 100 litres of water. a small opening is made at the bottom of †an k . if 5 liters of water comes out in time t1, next 5L in time t2 and next 5L in time t3 then orrder of t1,t2,t3 is ?

Discussion

11.	An ant starts from the origin and walks along a straight line. After every second, its position (in mm) is observed by a curious 5-year old. These are his readings: Position (mm) 0 10 40 100 200 After time (s) 0 1 2 3 4 By looking at this table, which of the following could be a possible description of the ant's motion is (a) Uniform velocity (b) uniform acceleration (with non-uniform velocity (c) Uniform jerk (with non-uniform accelerator) (d) cannot be determined (can be any of the above)
Answer» An ant starts from the origin and walks along a straight line. After every second, its position (in mm) is observed by a curious 5-year old. These are his readings: Position (mm) 0 10 40 100 200 After time (s) 0 1 2 3 4 By looking at this table, which of the following could be a possible description of the ant's motion is (a) Uniform velocity (b) uniform acceleration (with non-uniform velocity (c) Uniform jerk (with non-uniform accelerator) (d) cannot be determined (can be any of the above)

11.

An ant starts from the origin and walks along a straight line. After every second, its position (in mm) is observed by a curious 5-year old. These are his readings: Position (mm) 0 10 40 100 200 After time (s) 0 1 2 3 4 By looking at this table, which of the following could be a possible description of the ant's motion is (a) Uniform velocity (b) uniform acceleration (with non-uniform velocity (c) Uniform jerk (with non-uniform accelerator) (d) cannot be determined (can be any of the above)

Answer»

An ant starts from the origin and walks along a straight line. After every second, its position (in mm) is observed by a curious 5-year old. These are his readings:

Position (mm) 0 10 40 100 200

After time (s) 0 1 2 3 4

By looking at this table, which of the following could be a possible description of the ant's motion is

(a) Uniform velocity (b) uniform acceleration (with non-uniform velocity

(c) Uniform jerk (with non-uniform accelerator) (d) cannot be determined (can be any of the above)

Discussion

12.	Give three features of the Rutherford's model of atom.
Answer» Give three features of the Rutherford's model of atom.

Discussion

13.	A man of height ‘h’ is walking away from a street lamp with a constant speed ‘v’. The height of the street lamp is 3h. The rate at which the length of the man’s shadow is increasing when he is at a distance 10h from the base of the street lamp is:
Answer» A man of height ‘h’ is walking away from a street lamp with a constant speed ‘v’. The height of the street lamp is 3h. The rate at which the length of the man’s shadow is increasing when he is at a distance 10h from the base of the street lamp is:

Discussion

14.	27.Find the equivalent capacitance and charge in each capacitor
Answer» 27.Find the equivalent capacitance and charge in each capacitor

Discussion

15.	You are given the following four voltmeters to study the dependence of current (I) on the potential difference (V) across a resistor.Which one of the above voltmeters would you prefer to use in the circuit to begin your experiment?(1) A(2) B(3) C(4) D
Answer» You are given the following four voltmeters to study the dependence of current (I) on the potential difference (V) across a resistor. Which one of the above voltmeters would you prefer to use in the circuit to begin your experiment? (1) A (2) B (3) C (4) D

Discussion

16.	Explain acceleration due to gravity?
Answer» Explain acceleration due to gravity?

Discussion

17.	An iron transformer assumed to be 100 % efficient. The ration of the secondary truns to the primary truns is 1:20. A 240 V ac supply is connected to the primary coil. What is the current in the primary coil?
Answer» An iron transformer assumed to be $100 %$ efficient. The ration of the secondary truns to the primary truns is $1 : 20$ . A $240 V$ ac supply is connected to the primary coil. What is the current in the primary coil?

Discussion

18.	The Marina trench is located in the Pacific Ocean, and at one place it is nearly eleven km beneath the surface of water. The water pressure at the bottom of the trench is about 1.1 × 10⁸ Pa. A steel ball of initial volume 0.32 m3 is dropped into the ocean and falls to the bottom of the trench. What is the change in the volume of the ball when it reaches to the bottom?
Answer» The Marina trench is located in the Pacific Ocean, and at one place it is nearly eleven km beneath the surface of water. The water pressure at the bottom of the trench is about 1.1 × 10⁸ Pa. A steel ball of initial volume 0.32 m3 is dropped into the ocean and falls to the bottom of the trench. What is the change in the volume of the ball when it reaches to the bottom?

Discussion

19.	ntA lightly damped osscilator with frequency v is set is motion by a harmonic driving force of frequency v' .When v' < v, then response of the osscilator is cntrolled byn nta oscillator frequencyn ntb spring constantn ntc inertia of the massn ntd damping coefficientn
Answer» ntA lightly damped osscilator with frequency v is set is motion by a harmonic driving force of frequency v' .When v' < v, then response of the osscilator is cntrolled byn nta oscillator frequencyn ntb spring constantn ntc inertia of the massn ntd damping coefficientn

Discussion

20.	A partice is projected with velocity 10m/s at an angle 60^{0 }with the gound.Then the vertical component velocityvector when ins†an†an eous velocity becomes prependicular to intial velocity , i
Answer» A partice is projected with velocity 10m/s at an angle 60^{0 }with the gound.Then the vertical component velocityvector when ins†an†an eous velocity becomes prependicular to intial velocity , i

Discussion

21.	A string of length L is fixed at one end and carries a mass M at the other end. The string makes 2π revolutions per second around the vertical axis through the fixed end as shown in the figure, then tension in the string is
Answer» A string of length $L$ is fixed at one end and carries a mass $M$ at the other end. The string makes $\frac{2}{π}$ revolutions per second around the vertical axis through the fixed end as shown in the figure, then tension in the string is

Discussion

22.	a tuning fork produces 4 beats per second in a column of air at 57 degree celcius. when temperature is decreased by 9 degree celsius the two produces 1 beat per secoond . the frequency of tuning fork is 103 hz 213 hz 120 hz 37 hz
Answer» a tuning fork produces 4 beats per second in a column of air at 57 degree celcius. when temperature is decreased by 9 degree celsius the two produces 1 beat per secoond . the frequency of tuning fork is 103 hz 213 hz 120 hz 37 hz

Discussion

23.	Figure shows a pair of pin jointed gripper tongs holding an object weighing 2000 N. The coefficient of friction μ at the gripping surface is 0.1. X−X′ is the line of action of the input force and Y−Y′ is the line of application of normal gripping force. If the pin-joint is assumed as frictionless, the magnitude of force F required to hold the weight (in N) is
Answer» Figure shows a pair of pin jointed gripper tongs holding an object weighing $2000 N$ . The coefficient of friction $μ$ at the gripping surface is $0.1$ . $X - X^{'}$ is the line of action of the input force and $Y - Y^{'}$ is the line of application of normal gripping force. If the pin-joint is assumed as frictionless, the magnitude of force $F$ required to hold the weight (in $N$ ) is

Discussion

24.	A player throws a ball with an initial speed of 29.4 m/s . a) what is the direction of acceleration during the upward motion of the ball b) what are the velocity and acceleration of the ball at the highest point of its motion c) choose X = 0 m and t = 0 sec to be the location and time respectively of the ball at the highest point , vertically downward direction to be positive direction of x axis and give the signs of position velocity and acceleration of the ball during its upward and downward motion d) to what height does the ball rise and after how long does it return to the players hands ?
Answer» A player throws a ball with an initial speed of 29.4 m/s . a) what is the direction of acceleration during the upward motion of the ball b) what are the velocity and acceleration of the ball at the highest point of its motion c) choose X = 0 m and t = 0 sec to be the location and time respectively of the ball at the highest point , vertically downward direction to be positive direction of x axis and give the signs of position velocity and acceleration of the ball during its upward and downward motion d) to what height does the ball rise and after how long does it return to the players hands ?

Discussion

25.	Bohr magneton is given by (symbols have their usualmeanings)
Answer» Bohr magneton is given by (symbols have their usualmeanings)

Discussion

26.	When an electrelectron of mass 6m and charge 6e moves with a velocity of 7v about the nuclear charge Ze in a circular orbit of radius r. The potential energy of the electron will be
Answer» When an electrelectron of mass 6m and charge 6e moves with a velocity of 7v about the nuclear charge Ze in a circular orbit of radius r. The potential energy of the electron will be

Discussion

27.	how displacement in half cycle is 2R
Answer» how displacement in half cycle is 2R

Discussion

28.	A 30 cm violin string under a tension of 25 N has a mass per unit length of 2.5 gm/cm. What is the highest resonance frequency of the string that can be heard by a person able to hear frequencies upto 20000 Hz?
Answer» A $30 cm$ violin string under a tension of $25 N$ has a mass per unit length of $2.5 gm/cm$ . What is the highest resonance frequency of the string that can be heard by a person able to hear frequencies upto $20000 Hz$ ?

Discussion

29.	Wire PQ with negligible resistance slides on the three rails with 5 cm/s. Calculate the magnitude of currents in 10 Ω resistor when switch S is connected to position 1 and 2 one after the other, respectively.
Answer» Wire $P Q$ with negligible resistance slides on the three rails with $5 cm/s$ . Calculate the magnitude of currents in $10 Ω$ resistor when switch $S$ is connected to position $1$ and $2$ one after the other, respectively.

Discussion

30.	The temperature of gas is increased from 400 K to 600 K keeping the volume of the gas constant. If initially the gas exerted a pressure of 3 kPa on the walls of the container, then the final pressure of the gas is (in kPa)
Answer» The temperature of gas is increased from $400 K$ to $600 K$ keeping the volume of the gas constant. If initially the gas exerted a pressure of $3 kPa$ on the walls of the container, then the final pressure of the gas is (in $kPa$ )

Discussion

31.	A spring is compressed between two toy carts of mass m1 and m2. When toy carts are released, spring exerts equal and opposite forces on each toy cart for equal time interval 't'. If coefficient of friction between ground and cart is 'u' then find ratio of displacement of both carts
Answer» A spring is compressed between two toy carts of mass m1 and m2. When toy carts are released, spring exerts equal and opposite forces on each toy cart for equal time interval 't'. If coefficient of friction between ground and cart is 'u' then find ratio of displacement of both carts

Discussion

32.	Two blocks A and B of masses m and 2m respectively are held at rest such that the spring is in natural length. Find out the accelerations of both the blocks just after release:
Answer» Two blocks $A$ and $B$ of masses $m$ and $2 m$ respectively are held at rest such that the spring is in natural length. Find out the accelerations of both the blocks just after release:

Discussion

33.	22.In the figure shown : Find energy density in 1st dielectric to the second dielectric ? Find total induced surface charge on the dielectric interface of the two dielectrics?.
Answer» 22.In the figure shown : Find energy density in 1st dielectric to the second dielectric ? Find total induced surface charge on the dielectric interface of the two dielectrics?.

Discussion

34.	A car, starting from rest, accelerates at the rate f through a distance S, then continues at constant speed for time t and then decelerates at the rate f2 to come to rest. If the total distance traversed is 15 S, then
Answer» A car, starting from rest, accelerates at the rate f through a distance S, then continues at constant speed for time t and then decelerates at the rate $\frac{f}{2}$ to come to rest. If the total distance traversed is 15 S, then

Discussion

35.	Kinetic energy of a particle varies as function of { time (t) as k=Asin2Bt Maximum instantaneous power delivered by the net power delivered by the net force acting on the force acting on the { (1) 2AB{ (2) AB{ (3) AB{ (4) 2A/B
Answer» Kinetic energy of a particle varies as function of { time (t) as k=Asin2Bt Maximum instantaneous power delivered by the net power delivered by the net force acting on the force acting on the { (1) 2AB{ (2) AB{ (3) AB{ (4) 2A/B

Discussion

36.	if a person is moving with some velocity towards the mirror then in finding the speed of his image with respect to himself why we do subtract the velocity of himself with the velocity of the image?
Answer» if a person is moving with some velocity towards the mirror then in finding the speed of his image with respect to himself why we do subtract the velocity of himself with the velocity of the image?

Discussion

37.	a thin copper wire of length l increases in length by 2% when heated through 10^°C. what is % increase in area when a square copper sheet of length 1m is heated through 10^°C?
Answer» a thin copper wire of length l increases in length by 2% when heated through 10^°C. what is % increase in area when a square copper sheet of length 1m is heated through 10^°C?

Discussion

38.	What is potential
Answer» What is potential

Discussion

39.	In steady state of thermal conduction temperatures of the ends A and B of a rod of length 50cm are 100°C and 0°C. Calculate the temperature at a distance 10cm from the end A.
Answer» In steady state of thermal conduction temperatures of the ends A and B of a rod of length 50cm are 100°C and 0°C. Calculate the temperature at a distance 10cm from the end A.

Discussion

40.	An electron travels with a velocity of x ms−1. For a proton to have the same de-Broglie wavelength, the velocity will be approximately:
Answer» An electron travels with a velocity of $x m s^{- 1}$ . For a proton to have the same de-Broglie wavelength, the velocity will be approximately:

Discussion

41.	Which one of the following graph represents the behaviour of a ideal gas? Assume pressure is constant.
Answer» Which one of the following graph represents the behaviour of a ideal gas? Assume pressure is constant.

Discussion

42.	An alternate voltage given by v=70sin100pi t is connect across a pure resister of 25ohm than Tha rms current through the resister is
Answer» An alternate voltage given by v=70sin100pi t is connect across a pure resister of 25ohm than Tha rms current through the resister is

Discussion

43.	Choose among the following the correct pair of antiparallel vectors.
Answer» Choose among the following the correct pair of antiparallel vectors.

Discussion

44.	Three particles each of mass 2 kg are placed at the corners of an equilateral triangle of side 6 m. What is the moment of inertia of the system about an axis passing through the height of the triangle on the same plane as the particles?
Answer» Three particles each of mass $2 kg$ are placed at the corners of an equilateral triangle of side $6 m$ . What is the moment of inertia of the system about an axis passing through the height of the triangle on the same plane as the particles?

Discussion

45.	Width of a slab is 6cm whose μ= 3/2. If rear surface is silvered and object is placed at a dis†an ce 28 cm from front face. Calculate the final position of the image from the silvered surfac
Answer» Width of a slab is 6cm whose μ= 3/2. If rear surface is silvered and object is placed at a dis†an ce 28 cm from front face. Calculate the final position of the image from the silvered surfac

Discussion

46.	What is graph between reactance and angular frequency in L- C Ac series circuit
Answer» What is graph between reactance and angular frequency in L- C Ac series circuit

Discussion

47.	35. Formula for avg formal charge
Answer» 35. Formula for avg formal charge

Discussion

48.	a parallel plate capacitor is charged by a I=2*10^-7 . when discharge of the capacitor takes place through a resistance the rate of change of electric flux is??
Answer» a parallel plate capacitor is charged by a I=2*10^-7 . when discharge of the capacitor takes place through a resistance the rate of change of electric flux is??

Discussion

49.	The radius of a solid sphere is R and its density D. When it is made to rotate about an axis passing through any diameter of sphere, expression for its moment of inertia is
Answer» The radius of a solid sphere is R and its density D. When it is made to rotate about an axis passing through any diameter of sphere, expression for its moment of inertia is

49.

The radius of a solid sphere is R and its density D. When it is made to rotate about an axis passing through any diameter of sphere, expression for its moment of inertia is

Answer»

The radius of a solid sphere is R and its density D. When it is made to rotate about an axis passing through any diameter of sphere, expression for its moment of inertia is

Discussion

50.	A triangular duct flow partly as shown in the figure. If the critical depth is 0.6 m, the critical flow rate is m3/sec.1.388
Answer» A triangular duct flow partly as shown in the figure. If the critical depth is 0.6 m, the critical flow rate is $m^{3} / s e c .$ 1.388

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

A ball is dropped from the top of a 100 m high tower on a planet. In the last 12 s before hitting the ground, it covers a distance of 19 m. Acceleration due to gravity (in ms−2) near the surface on that planet is

What is the value of linear velocity, if →ω=3^i−4^j+^k and →r=5^i−6^j+6^k

Three equal weights of mass 2kg each are hanging on a string passing over a fixed frictionless pully.The tension in the string AB is nearly

Which of the following represents the electronic configuration of a transition element

A current carrying closed loop, in the form of a right-angled isosceles triangle ABC, is placed in a uniform magnetic field directed alongside AB. If the magnetic force on the arm BC is F, the force on the arm AC is

80-What is concept of Apogee and Perigee in ravitation find ratio of their kinetic energy.

Four persons K,L,M and N are initially at the corners of a square of side of length d. If every person starts moving, such that K is always headed towards L,L towards M,M is headed directly towards N and N towards K, then the four persons will meet after

A ball is thrown with velocity 10m/sec . Then find time of flight assuming no air resistance .

Which of the following relationships between the acceleration a and the displacement x of a particle involve simple harmonic motion?(a) a = 0.7x(b) a = –200x2(c) a = –10x(d) a = 100x3

a †an k open at top contains 100 litres of water. a small opening is made at the bottom of †an k . if 5 liters of water comes out in time t1, next 5L in time t2 and next 5L in time t3 then orrder of t1,t2,t3 is ?

Give three features of the Rutherford's model of atom.

A man of height ‘h’ is walking away from a street lamp with a constant speed ‘v’. The height of the street lamp is 3h. The rate at which the length of the man’s shadow is increasing when he is at a distance 10h from the base of the street lamp is:

27.Find the equivalent capacitance and charge in each capacitor

You are given the following four voltmeters to study the dependence of current (I) on the potential difference (V) across a resistor.Which one of the above voltmeters would you prefer to use in the circuit to begin your experiment?(1) A(2) B(3) C(4) D

Explain acceleration due to gravity?

An iron transformer assumed to be 100 % efficient. The ration of the secondary truns to the primary truns is 1:20. A 240 V ac supply is connected to the primary coil. What is the current in the primary coil?

ntA lightly damped osscilator with frequency v is set is motion by a harmonic driving force of frequency v' .When v' < v, then response of the osscilator is cntrolled byn nta oscillator frequencyn ntb spring constantn ntc inertia of the massn ntd damping coefficientn

A partice is projected with velocity 10m/s at an angle 60^{0 }with the gound.Then the vertical component velocityvector when ins†an†an eous velocity becomes prependicular to intial velocity , i

A string of length L is fixed at one end and carries a mass M at the other end. The string makes 2π revolutions per second around the vertical axis through the fixed end as shown in the figure, then tension in the string is

a tuning fork produces 4 beats per second in a column of air at 57 degree celcius. when temperature is decreased by 9 degree celsius the two produces 1 beat per secoond . the frequency of tuning fork is 103 hz 213 hz 120 hz 37 hz

Bohr magneton is given by (symbols have their usualmeanings)

When an electrelectron of mass 6m and charge 6e moves with a velocity of 7v about the nuclear charge Ze in a circular orbit of radius r. The potential energy of the electron will be

how displacement in half cycle is 2R

A 30 cm violin string under a tension of 25 N has a mass per unit length of 2.5 gm/cm. What is the highest resonance frequency of the string that can be heard by a person able to hear frequencies upto 20000 Hz?

Wire PQ with negligible resistance slides on the three rails with 5 cm/s. Calculate the magnitude of currents in 10 Ω resistor when switch S is connected to position 1 and 2 one after the other, respectively.

The temperature of gas is increased from 400 K to 600 K keeping the volume of the gas constant. If initially the gas exerted a pressure of 3 kPa on the walls of the container, then the final pressure of the gas is (in kPa)

A spring is compressed between two toy carts of mass m1 and m2. When toy carts are released, spring exerts equal and opposite forces on each toy cart for equal time interval 't'. If coefficient of friction between ground and cart is 'u' then find ratio of displacement of both carts

Two blocks A and B of masses m and 2m respectively are held at rest such that the spring is in natural length. Find out the accelerations of both the blocks just after release:

22.In the figure shown : Find energy density in 1st dielectric to the second dielectric ? Find total induced surface charge on the dielectric interface of the two dielectrics?.

A car, starting from rest, accelerates at the rate f through a distance S, then continues at constant speed for time t and then decelerates at the rate f2 to come to rest. If the total distance traversed is 15 S, then

Kinetic energy of a particle varies as function of { time (t) as k=Asin2Bt Maximum instantaneous power delivered by the net power delivered by the net force acting on the force acting on the { (1) 2AB{ (2) AB{ (3) AB{ (4) 2A/B

if a person is moving with some velocity towards the mirror then in finding the speed of his image with respect to himself why we do subtract the velocity of himself with the velocity of the image?

a thin copper wire of length l increases in length by 2% when heated through 10^°C. what is % increase in area when a square copper sheet of length 1m is heated through 10^°C?

What is potential

In steady state of thermal conduction temperatures of the ends A and B of a rod of length 50cm are 100°C and 0°C. Calculate the temperature at a distance 10cm from the end A.

An electron travels with a velocity of x ms−1. For a proton to have the same de-Broglie wavelength, the velocity will be approximately:

Which one of the following graph represents the behaviour of a ideal gas? Assume pressure is constant.

An alternate voltage given by v=70sin100pi t is connect across a pure resister of 25ohm than Tha rms current through the resister is

Choose among the following the correct pair of antiparallel vectors.

Three particles each of mass 2 kg are placed at the corners of an equilateral triangle of side 6 m. What is the moment of inertia of the system about an axis passing through the height of the triangle on the same plane as the particles?

Width of a slab is 6cm whose μ= 3/2. If rear surface is silvered and object is placed at a dis†an ce 28 cm from front face. Calculate the final position of the image from the silvered surfac

What is graph between reactance and angular frequency in L- C Ac series circuit

35. Formula for avg formal charge

a parallel plate capacitor is charged by a I=2*10^-7 . when discharge of the capacitor takes place through a resistance the rate of change of electric flux is??

The radius of a solid sphere is R and its density D. When it is made to rotate about an axis passing through any diameter of sphere, expression for its moment of inertia is

A triangular duct flow partly as shown in the figure. If the critical depth is 0.6 m, the critical flow rate is m3/sec.1.388