Physics Part 1 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 - Rainbow forms because of …

Answer : D

Explanation

N/A

Q 2 - A properly cut diamond appears bright because of …

A - Total reflection

B - Total absorption

C - Refraction

D - Its natural color

Answer : A

Explanation

N/A

Q 3 - A green paper appears …………. in red light.

Answer : D

Explanation

N/A

Q 4 - Which among the following terms explains that the galaxies are moving faster and going away from us?

Answer : B

Explanation

N/A

Q 5 - Consider the following statements:

1. Temperature illustrates the degree of hotness or coldness of a body.

2. Temperature is typically measured in degrees on the Celsius, Fahrenheit, and Kelvin scales.

Choose the correct answer from the codes given below:

Answer : C

Explanation

Temperature actually measures how fast the atoms and molecules of an object are moving.

Q 6 - An orbital period of geostationary satellite is …

Answer : C

Explanation

The rotational period of the geostationary satellite is same as of the earth.

Q 7 - Banking of curves on railway tracks and roads is made to maintain …

A - Centrifugal force

B - Centripetal force

C - Gravitational force

D - Circular motion

Answer : B

Explanation

Centripetal force is a force that forces a body follow the curved path.

Q 8 - Who had invented ‘Carburettor?’

Answer : D

Explanation

The first carburetor was invented by Samuel Morey in 1826.

Q 9 - The optical power of a lens is measured in …

Answer : A

Explanation

The principal focal length of a lens is measured in meter (1/meters).

Q 10 - Atomic watches work on the principle of …

A - Gravitation

B - Natural oscillation of pendulum

C - Angular momentum

D - Linear momentum

Answer : B

Explanation

Atomic watches give the most accurate time.

Q 11 - Who had invented ‘Transformer?’

Answer : B

Explanation

Michael Faraday, the British scientist had invented the transformer.

Q 12 - Consider the following statements:

1. The value of gravitational force decreases due to rotation of the earth.

2. If the angular speed of the earth becomes 17 times of the present value, then the weight of body on equator will be zero.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

Q 13 - Who among the following has discovered y-Rays?

Answer : A

Explanation

N/A

Q 14 - Consider the following statements:

1. The addition of detergent or soap decreases the surface tension of water and thus clean cloth better.

2. Bubbles of soap solution are big because of the lesser surface tension of water.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

Q 15 - Consider the following statements:

1. Orbital speed of a satellite is independent of its mass.

2. The satellites of different masses revolving in the orbit of same radius have same orbital speed.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

Q 16 - The branch of physics that studies mechanism of various objects and forces acting on them is known as:

Answer : C

Explanation

Mechanics is the study of mechanisms of the objects and the forces of the earth.

Q 17 - Consider the following statements:

1. Sound wave is an example longitudinal wave.

2. Waves on water surface are the example of transverse waves.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

Q 18 - Consider the following statements:

1. According to quantum theory, light is considered as a bundle of energy called as photon.

2. Speed of light is first measured by Roemer.

Choose the correct answer from the codes given below:

Answer : C

Explanation

Roemer first measured the speed of light in 1678.

Q 19 - The branch of physics that studies all about atoms and photons is known as:

Answer : A

Explanation

Quantum physics is the study of properties and movements of atoms and photons.

Q 20 - The measuring unit of luminous intensity is:

Answer : D

Explanation

The measuring unit of thermodynamic temperature is Kelvin.

physics_part1_online_quiz.htm