Physics Questions

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:

Sudden fall in the barometric reading is an indication of _______.

A) Storm B) Scorching heat
C) Rain D) Clear weather
 
Answer & Explanation Answer: A) Storm

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Q:

A ball rolling along the ground gradually slows down and finally comes to rest is due to ________.

A) Friction B) Magnetic force
C) Electrostatic force D) Muscular force
 
Answer & Explanation Answer: A) Friction

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Q:

Polarizing sunglasses are useful because they are able to

Polarizing sunglasses are useful because they are able to

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Q:

Heat flows as a result of difference of _____.

A) Temperature B) Density
C) mass D) Volume
 
Answer & Explanation Answer: A) Temperature

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Q:

Weight of a body is maximum at the:

A) Equator B) Pole
C) Subtropics D) Tropics
 
Answer & Explanation Answer: B) Pole

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Q:

When ice floats on water, its _____ part remains outside the water.

A) 0.5 B) 0.3
C) 0.1 D) 1
 
Answer & Explanation Answer: C) 0.1

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Q:

Intensity of any wave is proportional to which of the following?

A) amplitude B) Square of amplitude
C) Square root of amplitude D) Cube of amplitude
 
Answer & Explanation Answer: B) Square of amplitude

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