Physics Questions

Q:

A body of mass 18 kg is moving with a velocity of 6 m/s, find its momentum.

A) 108 B) 4.5
C) 54 D) 9
 
Answer & Explanation Answer: A) 108

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Q:

The first equation of motion gives the relation between

A) position and time B) position and velocity
C) velocity and time D) velocity and acceleration
 
Answer & Explanation Answer: C) velocity and time

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Q:

What is the phenomenon which established the transverse nature of light ?

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

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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:

An object is in static equilibrium when it is _______.

A) at rest B) moving in a circular path
C) moving with uniform velocity D) accelerating at high speed
 
Answer & Explanation Answer: A) at rest

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Q:

If the kinetic energy of a body becomes 256 times its initial value, then the new linear momentum will be

A) 8 times the initial value B) 16 times the initial value
C) the same as the initial value D) 32 times the initial value
 
Answer & Explanation Answer: B) 16 times the initial value

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Q:

An object, starting from rest, moves with constant acceleration of 4 m/s2. After 8 s, its speed is

A) 16 m/s B) 8 m/s
C) 32 m/s D) 4 m/s
 
Answer & Explanation Answer: C) 32 m/s

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Q:

Women have shrill voice because of _______.

A) Low frequency B) High frequency
C) Shrill vocals D) Strong epiglottis
 
Answer & Explanation Answer: B) High frequency

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