Question :

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

Answer : B

Description :



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Pa(Pascal) is the unit for


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

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Pick out the scalar quantity


A) force
B) pressure
C) velocity
D) acceleration

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out of the following, which is not emitted by radioactive substance?


A) Electrons
B) Electromagnetic radiations
C) Alpha particles
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Planets do not twinkle because


A) they emit light of a constant intensity
B) their distance from the earth does not change with time
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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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