Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.

In the circuit shown-(1) Current passing through 2ohm resistance is zero(2) Current passing through 4 ohm resistance is 5 A(3) Current passing though 5 ohm resistance is 4 A(4) all of these ​

Answer»

ANSWER:

  1. yscehaoaveFYIowhwscshoskgbekosBBCeiusbdcdobscfillxby USBjdosbsvodbkgsnkk
  2. hsishviudibebma hejhbsbsjsi hjshevdgsj

vhkkkhvhkltbnygr

gk

  • yjkllHDfdhgk

Explanation:

  1. how hoyfsfflcutikugufglfghliihffkl
  2. gmgmhihjgyd
  3. hiugSCvjkkg
  4. fhurtjhcdhptfbfnuhmm
  5. vIPmythcym

mycybijvp

pls mark me brainliest.....

2.

What is light ?Pls tell fast​

Answer»

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  • LIGHT or visible light is electromagnetic radiation WITHIN the portion of the electromagnetic spectrum that can be perceived by the human eye. Visible light is USUALLY defined as having WAVELENGTHS in the range of 400–700 nm, or 4.00 × 10⁻⁷ to 7.00 × 10⁻⁷ m, between the infrared and the ultraviolet.
3.

A tuning fork completes one oscillation in 0.000125 s Calculate the frequency of the tuning fork .Will the sound be audible and why ?​

Answer»

Explanation:

HOPE it HELPS you . and learn more and DONT stop LEARNING

4.

Assertion (A). A satellite which appears stationary with respect to the earth iscalled geostationary satelliteReason (R): Synchronous satellite always revolves around the earth in theequatonal plane with a time period of 24 hours.​

Answer»

ANSWER:

OPTION a is the RIGHT answer to your Q

5.

Justify work energy principle in the following situations:(a) A car moving with a constant velocity is accelerated(b) A ball dropped from a height 'h'​

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ANSWER:

A BALL DROPPED from a HEIGHT'H'.

6.

What is hydrogen bomb ?​

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  • An immensely powerful bomb whose destructive power comes from the rapid release of ENERGY during the nuclear fusion of isotopes of hydrogen (deuterium and tritium), USING an atom bomb as a TRIGGER.
7.

1 some famous physicst of Tamil Nadu????2 why my this question was deleted....(1&2) QUESTION both​

Answer»

Answer:

1. Sir Chandrasekhara VENKATA Raman

2. my question is also deleted 4 today

Explanation:

OOK?

8.

A body weights 27N on the surface of the earth.what is the gravitational force on it due to the earth at a height equal to half the radius of the earth?​

Answer»

HOPE this HELPED you

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9.

What is distance in simple wordspls tell the correct answerif u tell me the correct answer without copying and pasting plss answer me in your words if u did answer it correctly I will mark u as brainliest​

Answer»

Distance is how FAR one thing is from ANOTHER thing. It is ALSO a measure of the space between two THINGS

10.

36. What is sonic boom , Explain with details?tell I detals​

Answer»

Sonic boom is the sound associated with the shock waves created whenever an object traveling through the air TRAVELS faster than the speed of sound.

A massive sound is created when an object TRAVELLING faster than the speed of sound.

It is so damn loud that hearing it in a distance lesser than the safe limit will make you DEAF totally.

A super sonic JET PLANE or a space shuttle can make a sonic boom.

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11.

What is the difference between the molecular mass of an element and molecular mass of compound​

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Answer:

Molecular mass of a compound is DEFINED as the mass of one MOLECULE. Molecular mass differs because of the isotopes. The unit in which molecular mass is measured is amu. Amu STANDS for atomic mass units.

The MOLAR mass is the mass of a given chemical element or chemical compound (g) divided by the amount of substance (MOL).

12.

Find the density of a substance whose relative density is 1.43.f. Calculate the density of a substancewhose mass is 5.4 g and volume is2 cm³PLEASE DON'T DO SPAM​

Answer»

EXPLANATION:

DENSITY = MASS / VOLUME

Density = 5.4/2

Density = 2.7 ANS

13.

Second law of vibrating string?How many nodes and antinodes are formed when the wire vibrates in fundamental mode?​

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Answer:

The sound produced by a string has almost same frequency. ... Second law states that, If the length and linear density are CONSTANT, the frequency is DIRECTLY PROPORTIONAL to the square root of the tension.

Two nodes and one antinode is formed when the wire is vibrates in FUNDAMENTAL MODE.

14.

What is nuclear fusion ?​

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  • Nuclear FUSION is a reaction in which two or more ATOMIC nuclei are combined to form one or more different atomic nuclei and SUBATOMIC particles. The difference in mass between the reactants and products is MANIFESTED as either the release or the absorption of ENERGY.
15.

a particle is moving along a straight line with different velocity 20 km per hour in 5 seconds 40 kilometre per hour in 10 seconds and 60 kilometre per hour in 15 seconds then its average velocity will be​

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A particle is MOVING along a straight line with different velocities 20 kilometres PER hour in 5 seconds 40 KM per hour in 10 seconds 60 km per hour in 15 seconds then its average velocity will be 46.6kmph.

16.

List number of activity which we use water ?

Answer»

Explanation:

hi there I am a LITTLE BIT of a little bit of a little bit of a little bit more time with the class now and then we will be in the following ad is a little more than one YEAR ago to 13 is a GOOD time for the following ad is my resume and any

17.

when we pull back the bow string we are storing potential energy in it so a bent bow possess potential energy

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ANSWER:

when we PULL the bow stringe potential ENERGY in to so a BENT bow poses potential energy

18.

What is basic function of antenna?

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ANSWER:

"The two functions of an ANTENNA are: (1) For transmission of a signal, radiofrequency electrical energy from the transmitter is converted into electromagnetic energy by the antenna and radiated into the surrounding environment (ATMOSPHERE, space, water); (2) for reception of a signal, electromagnetic energy impinging ...

Explanation:

BRAINLIEST PLEASE

19.

if a body covers two equal distance with different velocities of 2 kilometre per hour and 3 kilometre per hour respectively then the average velocity of body is​

Answer»

Answer:

2 km0oduufjdyeiiwieiudududycyuc

20.

What is nuclear fission ?​

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  • NUCLEAR fission, SUBDIVISION of a heavy ATOMIC nucleus, such as that of URANIUM or plutonium, into two fragments of roughly equal mass. The process is accompanied by the release of a large AMOUNT of energy.
21.

assuming u= 0 at mean position find the total mechanical energy of a particle undergoing SHMof mass 2kg​

Answer»

ANSWER:

TOTAL ME=1/2KA^2

1/2*m*w^2*A^2

1/2*2*π^²/16*4

π^2/4

(π/2)^2

22.

a particle is moving along east direction with a velocity v metre per second and suddenly turns along north direction with the same velocity v then it resultant velocity is​

Answer»

Initial velocity =v1=5m/s seast wards.

then after TIME t=10 sec

towards EAST =5m/s

v2=5m/s NORTH wards.

towards east =5m/s

RESULTANT =v12+v22

=25+25=52

acceleration a=v=velocity/time

=1052=22×22=21towardsn−w

23.

Resultant of two vectors A & B is given by|R| = {|A|-|B|}, angle between A & B will be​

Answer»

ANSWER:

ANGLE between a&b 0 DEGREE

24.

If tangential acceleration vector of a speeding up particle at p =3i +4j cap m/s^2 find the theta

Answer»

Explanation:

30 is ANSWER HOPE it HELPS you

25.

What happens to RMS velocity of ideal gas molecules if temperature is increased twice? ​

Answer»

Explanation:

If the temperature is increased, the average SPEED and kinetic energy of the gas molecules increase. If the volume is held CONSTANT, the increased speed of the gas molecules results in more frequent and more FORCEFUL collisions with the walls of the container, therefore increasing the PRESSURE .

26.

What is nuclear energy ?​

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  • Nuclear power is the use of nuclear reactions that release nuclear energy to generate HEAT, which most frequently is then used in STEAM turbines to PRODUCE electricity in a nuclear power PLANT. Nuclear power can be OBTAINED from nuclear fission, nuclear decay and nuclear fusion reactions.
27.

Name a material used as a core in an electromagnet and why is it used

Answer»

ANSWER:

A coil with an IRON CORE is called an electromagnet.

The iron core increases the coil’s MAGNETIC field strength.

28.

What is the mirror formula?How is it expressed

Answer»

ANSWER:

MIRROR

Explanation:

mirror is a TYPE of reflection

hope it will HELP you

29.

Force exerted due to collision

Answer»

During the collision, each body EXERTS a force on the other. This force is CALLED an impulsive force, because it acts for a short period of time COMPARED to the WHOLE motion of the objects, and its value is usually large.

30.

WHAT IS HEAT?❌⚠NO SPAM⚠❌NO COPY PASTE​

Answer»

Answer:

  • Heat, energy that is transferred from one body to another as the RESULT of a DIFFERENCE in temperature. If two bodies at DIFFERENT temperatures are brought together, energy is transferred

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31.

What is thermal energy ?​

Answer»

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  • Thermal energy refers to several distinct PHYSICAL concepts, such as the internal energy of a system; heat or sensible heat, which are DEFINED as TYPES of energy transfer; or for the characteristic energy of a degree of freedom in a thermal system kT, where T is temperature and k is the Boltzmann constant.
32.

If a compass placed inside a magnet in which direction will it point. and why

Answer»

Answer:

North DIRECTION

EXPLANATION:

A compass needle points north because the north pole of the MAGNET INSIDE it is attracted to the south pole of Earth's built-in magnet.

33.

38. Find the energy in KWh consumed in 10 hrs by four devices of power 500W each ?​

Answer»

Answer:

222000 ENERGY.... is there

34.

What do you mean by uniform and non-uniform motion ? What can be the shape of the per covered by a moving object to have (a) uniform speed and (b) uniform velocity!​

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Answer:

the motion which covers EQUAL DISTANCE in equal INTERVALS of time is CALLED UNIFORM motion

the motion which covers unequal distance in equal intervals of time is called non- uniform motion.

35.

11. A particle is moving along x-axis suchthat its position (x) varies with time(1) as,x= (t sint) m then average acceleration oftheparticlefromt=0 s to t= s is2ardu(1)m/s2(2)m/s2die2πNTUsm/s24(4) - m/s24TT​

Answer»

A particle is moving ALONG X-axis such

that its position (x) varies with time(1) as,

x= (t sint) m then average ACCELERATION of

the

particle

from

t=0 s to t= s is

2

ardu

(1)

m/s2

(

2)

m/s2

die

2

π

NT

Us

m/s2

4

(4) - m/s2

4

TT

36.

State the four factors the magnetic force moving in magnetic field depends on

Answer»

Answer:

The force acting on the ELECTRICALLY CHARGED particles in a magnetic field depends on the MAGNITUDE of the CHARGE, the velocity of the particle, and its strength.

Explanation:

please mark as BRAINLIEST answer

37.

Find the radius of gyration of a sphere

Answer»

ANSWER:

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Explanation:

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38.

Write conditions for constructive and destructive interference in terms of wavelength.​

Answer»

ANSWER:

For constructive interference, the difference in wavelengths will be an integer number of WHOLE wavelengths. For destructive interference it will be an integer number of whole wavelengths plus a half WAVELENGTH. Think of the POINT exactly between the two slits.

39.

State Newton's law of gravitation. Give its mathematical expression​.​

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40.

Define is the young modulus​

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Answer:

The Young's MODULUS (or ELASTIC Modulus) is in essence the stiffness of a material. In other words, it is how easily it is bended or stretched. To be more EXACT, the physics and numerical values are worked out like this: Young's Modulus = Stress / Strain.

MARK AS BARILY FOLLOWS PLEASE

41.

Define centrifutal force. derive expression for it?​

Answer»

Defination:-

The net FORCE causing the centripetal acceleration of an object in a CIRCULAR motion is defined as centripetal force.

The EXPRESSION for it is:-

F = mv^2/r = mrw^2 = mwv

Please MARK as BRAINLEST

42.

How are a magnetic lines of force directed inside a magnet

Answer»

Answer:

INSIDE the magnet, the direction of field lines is from its south pole to its north pole. Thus the magnetic field lines are CLOSED curves. ... The field is STRONGER, that is, the force acting on the pole of another magnet placed is greater where the field lines are crowded. No two field-lines are found to CROSS each other.

43.

Illustrate an example of each of the three laws of motion.(AS)​

Answer»

ANSWER:

these is your answer

I HOPE it's HELP you

44.

Give some method to reducing friction​

Answer»

ANSWER:

Methods for decreasing friction:

1 MAKE the surfaces SMOOTHER. Rough surfaces PRODUCE more friction and smooth surfaces reduce friction.

2 Lubrication is ANOTHER way to make a surface smoother.

3 Make the object more streamlined.

4 Reduce the forces acting on the surfaces.

5 Reduce the contact between the surfaces.

hope it's helpful to you

45.

A ball of mass 150g moves with 12m/s and bounces back after hitting a wall with 20m/s after a small duration of 0.01 seconds . What was the force applied on the ball when it hit wall ​

Answer»

Answer:

SEE the ATTACHMENT photos.

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46.

Guys please give me some mcq based maths questions with answers for class 8plz don't spam my dear it's urgent ​

Answer»

Answer:

form worry I have COMPLAINED about your account problem to him apprentice MODERATOR

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47.

When light rays emerge from a glass prism into air are they reflected towards or from the normal?

Answer»

AWAY from the NORMAL because AIR is RARE MEDIUM

48.

Population inversion is a non ewuilibrium condition in whiich

Answer»

Your question is:-

Population inversion is a non equilibrium condition in which

Answer:-

Population inversion is a STATE of a system, for example a laser gain medium, where a higher-lying ENERGY level is more STRONGLY populated than a lower-lying level. ... This cannot occur under conditions of thermal equilibrium, where the level POPULATIONS are described by a Boltzmann distribution

49.

Which of the following is not an effect of friction1. To produce heat2.To increse the speed of the body3.To cause wear and tear of the surface4.To oppose the motion of the body

Answer»

ANSWER:

your answer is :

To INCREASE the SPEED of the BODY

50.

What is the reading accuracy of a meter rule

Answer»

Meter RULE is used to measure DISTANCE on paper. It is CALIBRATED in millimeters, centimeters, . some meter RULES are calibrated in inch or feet. The accuracy of meter rule is 0.1 CM or 1.0 mm.