Physics
Convex mirror is generally used in ________

Reflector for head light
Solar cookers
Rear view mirror
Opthalmoscope

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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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