Physics Part 2 Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to Physics. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Q 1 - What will happen – if an electric current passes through a spring?

A - Stop oscillating

B - It will get compressed

C - Speed will be increased

D - No change will occur

Answer : B

Explanation

N/A

Q 2 - Who had invented ‘Bifocal Lens?’

Answer : A

Explanation

Benjamin Franklin had first invented the bifocal lens.

Q 3 - Which among the following waves is used in radar?

Answer : B

Explanation

Radar is used to detect aircraft, spacecraft, guided missiles, ships, motor vehicles, weather formations, submarines, and terrain.

Q 4 - Why is clear sky night cooler than the cloudy sky night?

Answer : A

Explanation

In a clear sky, heat radiated from the earth's surface, easily gets escaped into space, and resultantly, the temperature goes down; on the other hand, in cloudy night, heat remained trapped in the earth’s atmosphere.

Q 5 - If two pieces of ice put together and pressed with force, it gets attached into one piece because …

A - Because of high pressure, the melting point decreases

B - Because of high pressure, the melting point increases

C - The high pressure produces heat

D - Ice has adhesive property

Answer : A

Explanation

N/A

Q 6 - The device, which is used to detect the presence of oil on water surface, is known as …

Answer : A

Explanation

N/A

Q 7 - When a motor bike is accelerated its …

A - Speed may change, but may not change

B - Velocity remains same

C - Direction may change

D - Everything will remain unchanged

Answer : A

Explanation

N/A

Q 8 - In a running train, if a passenger tosses a coin upward, which falls behind him. It means, the motion of train is …

A - Increased

B - Decreased

C - Uniform

D - Along the circular tracks

Answer : A

Explanation

N/A

Q 9 - What is the speed of sound in a Glass?

Answer : A

Explanation

N/A

Q 10 - The major function of a radiator in the car is …

A - Keep engine cool

B - Increase mileage

C - Increase the speed

D - Increase the life of engine

Answer : A

Explanation

N/A

Q 11 - Transformer’s property is …

A - To convert high voltage into low voltage

B - To convert low voltage into high voltage

C - To keep voltage constant

D - A and B both

Answer : D

Explanation

Transformer is used to convert high voltage into low and vice versa.

Q 12 - Which among the following is used to determine the heights?

Answer : C

Explanation

N/A

Q 13 - Consider the following statements:

1. Comparatively, the speed of sound is high in humid air.

2. Comparatively, the speed of sound is less in dry air.

Choose the correct answer from the codes given below:

Answer : C

Explanation

Speed of sound varies because of the density difference.

Q 14 - The force of liquid to keep something afloat is known as:

Answer : B

Explanation

It is because of buoyancy force, any object float on the water.

Q 15 - The branch of physics that studies the movement and properties of liquid and gases is known as:

Answer : D

Explanation

Fluid physics is the study of the properties and movement of liquid and gases.

Q 16 - Which among the following is used by navigators to find the latitude of a place?

Answer : A

Explanation

Sextant is also used to measure the height of very distant objects.

Q 17 - Consider the following statements:

1. Scattering of light is maximum with the violet color.

2. Scattering of light is minimum with the blue color.

Choose the correct answer from the codes given below:

Answer : A

Explanation

Scattering of light is minimum with the red color.

Q 18 - Which among the following has the maximum specific heat capacity?

Answer : A

Explanation

Water has about 4200 J/kgK specific heat capacity.

Q 19 - The measuring unit of electric charge is:

Answer : D

Explanation

The measuring unit of electric charge is coulomb.

Q 20 - Consider the following statements:

1. The process of conversion of a solid directly into vapor is known as sublimation.

2. When the boiling point is less than the melting point, sublimation takes place.

Choose the correct answer from the codes given below:

Answer : C

Explanation

Sublimation can be seen by camphor or ice in vacuum.

physics_part2_online_quiz.htm