Physics
Rain drops fall from great height. Which among the following statements is true regarding it?

They fall with same ultimate velocity
They fall with that ultimate velocity, which are different for different droplets
Their velocity increases and they fall with same velocity on the earth
Their velocity increases and they fall with different velocity on the earth

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Physics
The earth is a

Non-absorber of heat
Bad absorber and bad radiator of heat
Good reflector of heat
Good absorber and good radiator of heat

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