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.

Questions and Answers

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 - Consider the following statements:

1. Terrestrial telescope gives erect image.

2. The Astronomical Telescope gives inverted image.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

N/A

Q 3 - Who among the following had invented the sonar?

A - Lewis Nixon

B - Paul Langvin

C - Luigi Menabrea

D - Konrad Zuse

Answer : A

Explanation

The American naval architect Lewis Nixon invented the first sonar-like listening device in 1906 to detect icebergs.

Q 4 - Which among the following influences the loudness of sound?

A - Wavelength

B - Amplitude

C - Frequency

D - Pitch

Answer : B

Explanation

Amplitude affects only volume and not the pitch.

Q 5 - The process by which heat energy is transmitted through the collisions between neighboring molecules is known as

A - Conduction

B - Convection

C - Radiation

D - Reflection

Answer : A

Explanation

In solid, heat is transmitted through conduction process.

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

A - Gravometer

B - Gyroscope

C - Fethometer

D - Dip circle

Answer : A

Explanation

N/A

Answer : A

Explanation

N/A

Q 8 - No matter how far someone is standing from the mirror, the image appears erect. The mirror is

A - Either plane or convex

B - Only plane

C - Only convex

D - Only concave

Answer : A

Explanation

N/A

Answer : A

Explanation

The principle/law explains the transmission of fluid-pressure.

2

Answer : A

Explanation

N/A

Answer : C

Explanation

Dictaphone is an instrument, which is used to record the speech for later use.

Q 12 - The force of attraction, between the molecules of different substances, is called as

A - Cohesive force

B - Adhesive force

C - Surface tension

D - Gravitation force

Answer : B

Explanation

N/A

Answer : C

Explanation

Normally, old age people suffer from presbyopia.

Q 14 - Who among the following has discovered X-Rays?

A - Henry Becqueral

B - W Rontgen

C - Ritter

D - Newton

Answer : B

Explanation

N/A

Q 16 - A red paper appears . in red light.

A - Red

B - Green

C - Yellow

D - Blue

Answer : A

Explanation

N/A

Q 17 - Consider the following statements:

1. With the emission of Alfa particle, mass number is decreased by 4 and atomic number is decreased by 2.

2. With the emission of Beta particle, mass number does not change, but atomic number is increased by 1.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

The change in atomic number and mass number in the radioactivity is explained by Group-displacement law or Soddy-Fajan law.

Q 18 - Consider the following statements:

1. Atom is the smallest part of a matter.

2. Atom does not take part in chemical reactions.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : A

Explanation

Atom takes part in chemical reaction.

Q 19 - Who had given the Principle of Relativity?

A - Marconi

B - Einstein

C - Rutherford

D - Dirac

Answer : B

Explanation

It was Albert Einstein who propounded the principle of relativity.

physics_part1_online_quiz.htm
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