Light year is a unit of

A) time
B) distance
C) light
D) intensity of light

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If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same

A) velocity
B) momentum
C) acceleration
D) kinetic energy

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Nuclear sizes are expressed in a unit named.

A) Fermi
B) angstrom
C) newton
D) tesla

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Pa(Pascal) is the unit for

A) thrust
B) pressure
C) frequency
D) conductivity

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Sound waves in air are

A) transverse
B) longitudinal
C) electromagnetic
D) polarised

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