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An ice cube is floating in water above w...

An ice cube is floating in water above which a layer of lighter oil is poured. As the ice melts completely, the level of interface and the upper most level of oil will respectively

A

Rise and fall

B

Fall and rise

C

Not change and change

D

Not change and fall not

Text Solution

Verified by Experts

The correct Answer is:
A
When oil is poured, buoyant force increases, hence volume of ice immersed decreases. Volume of water melted from ice is greater than the volume of ice immersed, hence there is rise in level of water.
Overall volume of ice decreases by melting, hence there is fall in level of oil.
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