Physics Questions

Q:

The SI unit of acceleration is _______________.

A) meters per seconds squared B) meters per second
C) seconds per meter D) seconds per meter squared
 
Answer & Explanation Answer: A) meters per seconds squared

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Q:

Propagation of sound can be visualised as propagation of _____________ variations in the medium.

A) energy B) power
C) force D) pressure
 
Answer & Explanation Answer: D) pressure

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Q:

The force ultimately responsible for mass movement

A) erosion B) gravity
C) deposition D) weathering
 
Answer & Explanation Answer: B) gravity

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Q:

As a sailor jumps in the forward direction, the boat moves backwards. This example illustrates Newton's :

A) Second Law of Motion B) First and Second Law of Motion
C) Third Law of Motion D) First Law of Motion
 
Answer & Explanation Answer: C) Third Law of Motion

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Q:

An example of longitudinal waves (in gas as a medium) is ______.

A) heat waves B) radio waves
C) electromagnetic waves D) sound waves
 
Answer & Explanation Answer: D) sound waves

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Q:

Which of the following is NOT an application of Fiber optics?

A) Power Generation B) Computer Networking
C) Sensors D) Power Transmission
 
Answer & Explanation Answer: A) Power Generation

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Q:

Which glass is used to make spectacles?

A) Crook's glass B) Potash glass
C) Jena glass D) Soda glass
 
Answer & Explanation Answer: A) Crook's glass

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Q:

Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.

A) 12500 B) 20
C) 40 D) 6250
 
Answer & Explanation Answer: B) 20

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