Physics Questions

Q:

Fundamental duties are included in the Indian Constitution by the_________Amendment.

A) 44th B) 42nd
C) 26th D) 25th
 
Answer & Explanation Answer: B) 42nd

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Q:

The SI unit of acceleration is __________.

A) ms-1 B) ms-2
C) ms2 D) m/s
 
Answer & Explanation Answer: B) ms-2

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Q:

The distance-time graph for the motion of an object moving with a constant speed is a __________.

A) Dot B) Circle
C) Straight Line D) Curve
 
Answer & Explanation Answer: C) Straight Line

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Q:

_____ mirror is used in the headlights of cars.

A) Semi-circular B) Conical
C) Convex D) Concave
 
Answer & Explanation Answer: D) Concave

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Q:

Why the Earth is having its own atmosphere ?

A) Winds B) Clouds
C) Gravity D) Rotation of the Earth
 
Answer & Explanation Answer: C) Gravity

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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:

The unit of which physical quantity is not pascal?

A) Moment of inertia B) Pressure
C) Stress D) Young's modulus
 
Answer & Explanation Answer: A) Moment of inertia

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Q:

Which phenomena shows the particle nature of light?

A) Diffraction B) Interference
C) Photoelectric effect D) Polarisation
 
Answer & Explanation Answer: C) Photoelectric effect

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