Physics Questions

Q:

An image formed by a concave mirror on a screen is called __________?

A) Virtual image B) Real image
C) Inverted image D) Erect image
 
Answer & Explanation Answer: B) Real image

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Q:

An object having a capability to do work is said to possess __________.

A) force B) moment
C) momentum D) energy
 
Answer & Explanation Answer: D) energy

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Q:

The angle between the __________and the incident ray is called the angle of incidence.

A) surface B) normal
C) tangent D) reflected ray
 
Answer & Explanation Answer: B) normal

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Q:

A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of __________ .

A) gravitational force between train and man B) illusion of the man
C) the centripetal force D) pressure difference due to fast moving air in between
 
Answer & Explanation Answer: D) pressure difference due to fast moving air in between

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Q:

What is the name of the device used to convert alternating current into direct current ?

A) Ammeter B) Galvanometer
C) Rectifier D) Transformer
 
Answer & Explanation Answer: C) Rectifier

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Q:

What is the unit of the physical quantity, Momentum?

A) newton second B) joule second
C) erg second D) pascal second
 
Answer & Explanation Answer: A) newton second

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Q:

Sound is a form of ____________ which produces a sensation of hearing in our ears.

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

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Q:

Nautical miles is a unit of distance used in

A) Navigation B) Road mile
C) Astronomy D) Measuring the boundaries of a nation
 
Answer & Explanation Answer: A) Navigation

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