Question :

Light year is a unit of


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

Answer : B

Description :



Related Questions - 1


Mirage is due to


A) unequal heating of different parts of the atmosphere
B) magnetic disturbances in the atmosphere
C) depletion of ozone layer in the atmosphere
D) equal heating of different parts of the atmosphere

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Related Questions - 2


Sound waves in air are


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

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Let a thin capillary tube be replaced with another tube of insufficient length then, we find water


A) will overflow
B) will not rise
C) depressed
D) change its meniscus

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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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Metals are good conductors of electricity because


A) they contain free electrons
B) the atoms are lightly packed
C) they have high melting point
D) All of the above

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