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 Physics Questions

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Q:

Which of the following is not a vector quantity?

A) Acceleration B) Electric current
C) Force D) Velocity
 
Answer & Explanation Answer: B) Electric current

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Q:

Kinetic energy depends on

A) the velocity or speed of the moving body. B) the mass of the moving body
C) the pressure of the moving body D) both mass and velocity of the moving body
 
Answer & Explanation Answer: D) both mass and velocity of the moving body

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Q:

Reflection from a smooth surface like that of a mirror is called ___________ reflection.

A) regular B) irregular
C) diffused D) fused
 
Answer & Explanation Answer: A) regular

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Q:

Which bulb operates on lowest power?

A) Night bulb B) Torch bulb
C) Neon bulb D) GLS bulb
 
Answer & Explanation Answer: B) Torch bulb

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Q:

As per Newton's law of gravitation, the force between two bodies is ________.

A) directly proportional to the product of their masses B) directly proportional to the distance between them
C) directly proportional to the product of their radius D) directly proportional to the product of forces
 
Answer & Explanation Answer: A) directly proportional to the product of their masses

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Q:

To convert temperature from Celcius to Kelvin scale, you must ___ the given temperature.

A) subtract 273 B) multiply 273
C) add 273 D) divide by 273
 
Answer & Explanation Answer: C) add 273

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Q:

Atmospheric pressure is measured by __________.

A) Barometer B) Hexameter
C) Nanometer D) Glaxometer
 
Answer & Explanation Answer: A) Barometer

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Q:

Instrument used for measuring specific gravity is called _____.

A) Bathymeter B) Cryometer
C) Areometer D) Cymometer
 
Answer & Explanation Answer: C) Areometer

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