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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Pa(Pascal) is the unit for

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

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Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?

A) Pressure and Young modules
B) Planck constant and Angular momentum
C) Impulse and moment of force
D) Force and rate of change of linear momentum

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Light from the Sun reaches us in nearly

A) 2 minutes
B) 4 minutes
C) 8 minutes
D) 16 minutes

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Nuclear sizes are expressed in a unit named.

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

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