Physics Questions

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

Explanation:
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Q:

During uniform motion of an object along a straight line, the ________ remains constant with time.

A) Time B) Velocity
C) Acceleration D) Distance
 
Answer & Explanation Answer: B) Velocity

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Q:

Meter in a vehicle that calculates distance covered by the vehicle is called __________.

A) Speedometer B) Odometer
C) Thermometer D) Kilometre
 
Answer & Explanation Answer: B) Odometer

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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:

During which of the following operating conditions of an automobile, carbon monoxide content in exhaust gas is maximum?

A) Acceleration B) Cruising
C) Idle running D) Deacceleration
 
Answer & Explanation Answer: C) Idle running

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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:

A wave with high amplitude have

A) high pitch B) low energy
C) high energy D) low pitch
 
Answer & Explanation Answer: C) high energy

Explanation:

The amplitude of a wave is a measure of the displacement of the wave from its rest position i.e, half the distance from its highest point to its lowest point.


Amplitude is proportional to the energy of a wave.

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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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