Nuclear sizes are expressed in a unit named.

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

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The absorption of ink by blotting paper involves

A) viscosity of ink
B) capillary action phenomenon
C) diffusion of ink through the blotting
D) siphon action

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Stars appears to move from east to west because

A) all stars move from east to west
B) the earth rotates from west to east
C) the earth rotates from east to west
D) the background of the stars moves from west to east

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Light year is a unit of

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

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Magnetism at the centre of a bar magnet is

A) minimum
B) maximum
C) zero
D) minimum or maximum

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