The recoil of a gun when a bullet is fired is an example of MCQ with Answer and Explanation

Question Report Error

The recoil of a gun when a bullet is fired is an example of

A. Newton's third law and conservation of momentum

B. Newton's first law

C. Law of gravitation

D. Newton's second law

Answer: Option A

Solution (By JKExamLibrary)

Action-reaction and momentum conservation.

This question belongs to: Science Physics

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Practice More Physics Questions

Question #1 Report Error

The loudness of sound is measured in

A. Hertz

B. Watt

C. Meter

D. Decibel

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Correct Answer: Option D

Explanation:
Decibel (dB) measures intensity level.

This question belongs to: Science Physics

Question #2 Report Error

An ammeter is always connected in

A. Parallel with circuit

B. Series with circuit

C. Across supply

D. Either series or parallel

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Correct Answer: Option B

Explanation:
Ammeter measures current, must be in series so full current flows through it. Low internal resistance to minimize voltage drop. Voltmeter measures potential difference, connected in parallel, high resistance.

This question belongs to: Science Physics

Question #3 Report Error

The scientist who proposed the electromagnetic theory of light was

A. Newton

B. Einstein

C. Huygens

D. Maxwell

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Correct Answer: Option D

Explanation:
Maxwell's equations predicted EM waves, light is EM.

This question belongs to: Science Physics

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