Physics Questions

Q:

Calculate the pressure (in Pa) if a thrust of 800 N is applied to an area of 16 m2.

A) 128 B) 100
C) 64 D) 50
 
Answer & Explanation Answer: D) 50

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Q:

Which among the following determines the pitch of a sound?

A) Amplitude B) Frequency
C) Loudness D) Wavelength
 
Answer & Explanation Answer: B) Frequency

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Q:

An Odometer is an instrument used to measure ____ in automobiles.

A) direction B) distance
C) odour D) speed
 
Answer & Explanation Answer: B) distance

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Q:

What is the unit of the physical quantity "Capacitance"?

A) weber B) farad
C) tesla D) ohm
 
Answer & Explanation Answer: B) farad

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Q:

Friction is caused by the ______________ on the two surfaces in contact.

A) irregularities B) smoothness
C) densities D) gaps
 
Answer & Explanation Answer: A) irregularities

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Q:

Which of the following is not a vector quantity?

A) Momentum B) Displacement
C) Torque D) Speed
 
Answer & Explanation Answer: D) Speed

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Q:

Light travels fastest in

A) Nitrogen B) Air
C) Steel D) Vacuum
 
Answer & Explanation Answer: D) Vacuum

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Q:

The pitch of a sound depends on its ____.

A) frequency B) wavelength
C) amplitude D) timbre
 
Answer & Explanation Answer: A) frequency

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