67486 + Interview Questions in Secondary School in Physics

1.	On what factor does the frequency of a conical pendulum depends? Is it independent of some factor?
Answer» er:Answer: So, time period of SIMPLE PENDULUM depends UPON the length of the pendulum, acceleration due to gravity and the temperature (as length depends on temperature). It is directly proportional to the square root of length and INVERSELY proportional to the square root of acceleration due to gravity. Explanation:

1.

On what factor does the frequency of a conical pendulum depends? Is it independent of some factor?

Answer»

er:Answer: So, time period of SIMPLE PENDULUM depends UPON the length of the pendulum, acceleration due to gravity and the temperature (as length depends on temperature). It is directly proportional to the square root of length and INVERSELY proportional to the square root of acceleration due to gravity.

Explanation:

4.	Chose the incorrect answer census ( ) A if the no. of electrons is more than the no. of protons, then the atom is stable (neutral)B. if the no. of electrons is more than the no. of protons, then the atom is anion D, a and b
Answer» ONG>ANSWER: B is the CORRECT! !!!!!!!!!!!!!!!!

7.	Find time when body is moving In negative direction s=2t^2-4t^2-4t
Answer» you all support my youtube channel TEEN TRAVEL VLOG PLEASE PLEASE PLEASE?

8.	Answers please........................
Answer» ONG>ANSWER: nsudbfnfkjmdnfjfnfjgk

11.	Force is 100N , workdone is 500 square root 3 Juel ,cos thita is 30 , find displacement
Answer» done=force DISPLACEMENT COS THETA

18.	Velocity of a particle is given by v=(3tsquare + 2t)m/s.find it's average velocity between t=0 to t=35 and also find its acceleration at t=3s.Motion of the particle is in one dimension
Answer» ONG>ANSWER: ontheshop CARE NUMBER 8906278056//7995296378

21.	A physical quantity P is related to four other physical quantities a, b, c and d as P - a³b²c^1/2/d. The percentage error in the measurement of a, b, c and d are 1%, 2%, 2% and 1% respectively. Find maximum percentage error in quantity P.WITH PROPER SOLUTION PLEASENO IRRELEVANT ANSWERS!
Answer» ONG>Answer: this simple QUESTION you can SOLVE it by applying mera llxnd

28.	If angle between a and 5 is then 3angle. Between 2a and - 36 is.(A)3(B)2A3(C)6(D)523
Answer» ONG>ANSWER: sooryjjwjwjwjsjejejejwjhshw

34.	find the maximum sped of a car which can be safely drive along curve of the radius 100 m. if the coefficient of friction between the tyres and the road is 0.2
Answer» .8=( 196)^1/2 =14 m/s

36.	Which physical quantity can be negetive. (a) electric potential (b) electric flux (c) electric charge
Answer» ONG>ANSWER: electric flux is a negative quantity because it is VECTOR in NATURE

38.	A coil of 100 turns encloses an area of 100cm^2. It is placed at an angle of 70° with a magnetic field of 0.1Wbm^-2. What is the magnetic flux through the coil? If the magnetic field is reduced to zero in 10^-3s, what emf is induced in the coil? 1
Answer» ONG>ANSWER: THANKS for the POINTS thanks for the points

39.	The work done by force is zero if a body ____
Answer» ONG>Answer: doesn't CHANGE it POSITION or reach at the same point where it starts to MOVE.

40.	The expression for downward acceleration of a body on an inclined plane of coefficient of friiction m and q inclination is1 )g(sinq+m) 2)gsin theta(1+m) 3) g(sin theta+mcos theta) 4) g(sin theta -mcos theta)
Answer» ONG>EXPLANATION: ANSWER: g(SIN THETA - mcos Theta)

44.	Le has u 4.26 An aircraft is flying at a height of 3400 m above the ground. If the angle subtended ata ground observation point by the aircraft positions 10,0 s apart is 30', what is thespeed of the aircraft?
Answer» ONG>ANSWER: PLEASE MARK me as brain list

Explore topic-wise InterviewSolutions in Current Affairs.

On what factor does the frequency of a conical pendulum depends? Is it independent of some factor?

The value of accelaration due to gravity a) same on equator and poles b) least on the poles c) least on equatord) maximum at the centre of the earth please give answer fast I will mark him as brainliest​

Energy possessed by a compressed spring​

Mark me BRAINLIST

Chose the incorrect answer census ( ) A if the no. of electrons is more than the no. of protons, then the atom is stable (neutral)B. if the no. of electrons is more than the no. of protons, then the atom is anion D, a and b

Options area) 120uoTb) 48uoTc) 80uoTd) 420uoT​

Workdone is 500N ,displacement is 5cm ,cos thitha is 60 ,find froce ​

Find time when body is moving In negative direction s=2t^2-4t^2-4t​

Answers please........................​

Write the correct order of diffosion for water,alcohol,petrol and vegetable oil​

What is meant by saying that the potential difference between two point is 1v​

Force is 100N , workdone is 500 square root 3 Juel ,cos thita is 30 , find displacement​

What is matter and what is liquidation​

4. What is the relation between direction of force of frictionand direction of motion ? ​

Find work if u is 18 km/hr ,v is 36 km/hr and mass is 50kg​

I have one doubt... We know, W= F× SForce and Displacement, both are vector quantity then why Work is called as Scalar Quantity?Please tellAnd note:- NO SPAM otherwise......​

The tidal waves in the sea are primarily due to the gravitational effect of the _________ ​

The unit vector parallel to the resultant of the vectors A = 4 + 3) + ok and B = _{ +39 - 8k is--+(A) (3 +69 – 22(B) 7 (3+63 ++2)(c) (3i +63 – 22)(D) 1 (4 - 69 + 2k(48 6j 249​

Velocity of a particle is given by v=(3tsquare + 2t)m/s.find it's average velocity between t=0 to t=35 and also find its acceleration at t=3s.Motion of the particle is in one dimension ​

Energy possessed by fast moving water​

Given two vectors Ā = î - 29 – 3k and B = 4î – 29 +6. The angle made by (A + B) with the X-axis is (A) 300(B) 45°(C) 60°(D) 90°​

USE A.B =AbCos theta

Cos =A.B/AB

A physical quantity P is related to four other physical quantities a, b, c and d as P - a³b²c^1/2/d. The percentage error in the measurement of a, b, c and d are 1%, 2%, 2% and 1% respectively. Find maximum percentage error in quantity P.*WITH PROPER SOLUTION PLEASE*NO IRRELEVANT ANSWERS!​

Match the following( ) 1 Copper & Hydrogen- copper oxide (A) reduction(2) copper oxide + hydrogen --- copper +water (B) oxidation. (3) lead oxide + carbon ---- lead + carbon dioxide (c) redoxoxidation A 1_b, 2-a 3-c B 1-a,2-b3-cC 1-c 2-d 3-a d 1-c 2-a 3-b​

6. Identify the correct sentence related to cell theory. 1 Schleiden and Schwann together proposed the cell theory.II. All living organisms are composed of cells and products of cells.III. All cells arise from pre-existing cells.A) I and II onlyB) I and III onlyD) I, II and IIIC) II only​

N molecules of a gas have speeds 1, 2, 3.... N m/s respectively. The ratio of rms speed to average speed is (A)2N+1N+1(B)2(2N+1)V 3(N+1)(C)3(N+1)V 2(2N+1)(D)3(N+1)(2N+1)​

A ratio of masses of two planets is 2:3 and the ratio of their radii is 4:7. find the ratio of their acceleration due to gravity ​

Question No. 133 The gas molecules having highest rms speed is(A) Hydrogen(B) Helium(C) Carbon dioxide(D) Oxygen​

Expri for potential energy​

If angle between a and 5 is then 3angle. Between 2a and - 36 is.(A)3(B)2A3(C)6(D)523​

Can we say that the different thermal cofficent of expansion are related for a given material ​

A 100μF capacitor is connected across 220V, 50 Hz source. Calculate the reactance offered by the capacitor at fundamental and 140 Hz frequency, maximum current in the circuit, the average and r.m.s. value of the current drawn by the capacitor​

The average thermal energy of oxygen at a temperature of 27°C is(A) 6.2 X 1021J(B) 4.5 x 10-21 J(C) 3.5 x 10217N(D) 1.2 x 10 21 J​

A and B are vectors then A.(A×B) is

What is angle between a bar into b bar and b bar into a bar

find the maximum sped of a car which can be safely drive along curve of the radius 100 m. if the coefficient of friction between the tyres and the road is 0.2​

Which of the following is a vector quantity? mass velocity speed temperature

Which physical quantity can be negetive. (a) electric potential (b) electric flux (c) electric charge

A ball of mass m is released under the gravitational force from point A on frictionless surface in vacuum as shown in above figure. What is the acceleration of ball between point B and C? Justify.

A coil of 100 turns encloses an area of 100cm^2. It is placed at an angle of 70° with a magnetic field of 0.1Wbm^-2. What is the magnetic flux through the coil? If the magnetic field is reduced to zero in 10^-3s, what emf is induced in the coil? 1

The work done by force is zero if a body ____

The expression for downward acceleration of a body on an inclined plane of coefficient of friiction m and q inclination is1 )g(sinq+m) 2)gsin theta(1+m) 3) g(sin theta+mcos theta) 4) g(sin theta -mcos theta)​

A gas expands isothermally to double its volume. The rms speed of its molecules will be (A) Increased(B) Decreased(C) Remains constant(D)First increases and then decreases​

The average thermal energy of oxygen at a temperature of 27° C is (A) 6.2 X 10-21 J(B) 4.5 x 10-21 J(C) 3.5 x 10-21 J(D)//1.2 x 10-21 J​

When a moving pendulum stops it's energy is destroyed​

Le has u 4.26 An aircraft is flying at a height of 3400 m above the ground. If the angle subtended ata ground observation point by the aircraft positions 10,0 s apart is 30', what is thespeed of the aircraft?​

PLEASE MARK me as brain list

If y is the ratio of the two molar specific heats of a gas, the number of degrees of freedom is given by (A)Y-12(B)12(C)7-1y(D)​

-> If the resultant of P and Q makes an angle 0, with P and O2 with Q, then(A) 0,Q(B) 0.

Curd is not kept in copper and brass utensils ? Why

because if we keep it in COPPER utensils the curd spoils!!!

HOPE this helps

Is ē - i tŷtQ = 2 – 9 – kthen P - Q is(A) –î +29+ 2(B) î – 2ġ – 2(C) î + 29 + 2(D) None​

Please solve I will mark you brainliest​

It A force acts for Olseconds ona body of mass 12kg initially al rest. The force thene ceases toact and the body moves though 2m in thenext one second find the magnitude of theforce.​

The value of accelaration due to gravity a) same on equator and poles b) least on the poles c) least on equatord) maximum at the centre of the earth please give answer fast I will mark him as brainliest

Energy possessed by a compressed spring

Options area) 120uoTb) 48uoTc) 80uoTd) 420uoT

Workdone is 500N ,displacement is 5cm ,cos thitha is 60 ,find froce

Find time when body is moving In negative direction s=2t^2-4t^2-4t

Answers please........................

Write the correct order of diffosion for water,alcohol,petrol and vegetable oil

What is meant by saying that the potential difference between two point is 1v

Force is 100N , workdone is 500 square root 3 Juel ,cos thita is 30 , find displacement

What is matter and what is liquidation

4. What is the relation between direction of force of frictionand direction of motion ?

Find work if u is 18 km/hr ,v is 36 km/hr and mass is 50kg

I have one doubt... We know, W= F× SForce and Displacement, both are vector quantity then why Work is called as Scalar Quantity?Please tellAnd note:- NO SPAM otherwise......

The tidal waves in the sea are primarily due to the gravitational effect of the _________

The unit vector parallel to the resultant of the vectors A = 4 + 3) + ok and B = _{ +39 - 8k is--+(A) (3 +69 – 22(B) 7 (3+63 ++2)(c) (3i +63 – 22)(D) 1 (4 - 69 + 2k(48 6j 249

Velocity of a particle is given by v=(3tsquare + 2t)m/s.find it's average velocity between t=0 to t=35 and also find its acceleration at t=3s.Motion of the particle is in one dimension

Energy possessed by fast moving water

Given two vectors Ā = î - 29 – 3k and B = 4î – 29 +6. The angle made by (A + B) with the X-axis is (A) 300(B) 45°(C) 60°(D) 90°

A physical quantity P is related to four other physical quantities a, b, c and d as P - a³b²c^1/2/d. The percentage error in the measurement of a, b, c and d are 1%, 2%, 2% and 1% respectively. Find maximum percentage error in quantity P.WITH PROPER SOLUTION PLEASENO IRRELEVANT ANSWERS!

Match the following( ) 1 Copper & Hydrogen- copper oxide (A) reduction(2) copper oxide + hydrogen --- copper +water (B) oxidation. (3) lead oxide + carbon ---- lead + carbon dioxide (c) redoxoxidation A 1_b, 2-a 3-c B 1-a,2-b3-cC 1-c 2-d 3-a d 1-c 2-a 3-b

6. Identify the correct sentence related to cell theory. 1 Schleiden and Schwann together proposed the cell theory.II. All living organisms are composed of cells and products of cells.III. All cells arise from pre-existing cells.A) I and II onlyB) I and III onlyD) I, II and IIIC) II only

N molecules of a gas have speeds 1, 2, 3.... N m/s respectively. The ratio of rms speed to average speed is (A)2N+1N+1(B)2(2N+1)V 3(N+1)(C)3(N+1)V 2(2N+1)(D)3(N+1)(2N+1)

A ratio of masses of two planets is 2:3 and the ratio of their radii is 4:7. find the ratio of their acceleration due to gravity

Question No. 133 The gas molecules having highest rms speed is(A) Hydrogen(B) Helium(C) Carbon dioxide(D) Oxygen

Expri for potential energy

If angle between a and 5 is then 3angle. Between 2a and - 36 is.(A)3(B)2A3(C)6(D)523

Can we say that the different thermal cofficent of expansion are related for a given material

A 100μF capacitor is connected across 220V, 50 Hz source. Calculate the reactance offered by the capacitor at fundamental and 140 Hz frequency, maximum current in the circuit, the average and r.m.s. value of the current drawn by the capacitor

The average thermal energy of oxygen at a temperature of 27°C is(A) 6.2 X 1021J(B) 4.5 x 10-21 J(C) 3.5 x 10217N(D) 1.2 x 10 21 J

find the maximum sped of a car which can be safely drive along curve of the radius 100 m. if the coefficient of friction between the tyres and the road is 0.2

The expression for downward acceleration of a body on an inclined plane of coefficient of friiction m and q inclination is1 )g(sinq+m) 2)gsin theta(1+m) 3) g(sin theta+mcos theta) 4) g(sin theta -mcos theta)

A gas expands isothermally to double its volume. The rms speed of its molecules will be (A) Increased(B) Decreased(C) Remains constant(D)First increases and then decreases

The average thermal energy of oxygen at a temperature of 27° C is (A) 6.2 X 10-21 J(B) 4.5 x 10-21 J(C) 3.5 x 10-21 J(D)//1.2 x 10-21 J

When a moving pendulum stops it's energy is destroyed

Le has u 4.26 An aircraft is flying at a height of 3400 m above the ground. If the angle subtended ata ground observation point by the aircraft positions 10,0 s apart is 30', what is thespeed of the aircraft?

If y is the ratio of the two molar specific heats of a gas, the number of degrees of freedom is given by (A)Y-12(B)12(C)7-1y(D)

Is ē - i tŷtQ = 2 – 9 – kthen P - Q is(A) –î +29+ 2(B) î – 2ġ – 2(C) î + 29 + 2(D) None

Please solve I will mark you brainliest

It A force acts for Olseconds ona body of mass 12kg initially al rest. The force thene ceases toact and the body moves though 2m in thenext one second find the magnitude of theforce.