Physics
The term ''equinox' means

When the day and night are of equal duration
The path which the Earthtakes around the Sun
The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon
The axis of the Earth around which it rotates

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

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

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