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ICSE - X - Physics - Force

Why level of wate in a glass doesnot change on dropping a ice cube in it.

Asked by Sanjay Kumar 27th May 2016, 3:16 PM
Answered by Expert


Water will not change when a ice cube floating in a glass of water starts melting.

We know that Density = Mass/Volume

Density of ice is slightly less than that of water.

Hence ice cube has more volume than equal mass of  water.

When ice cube melts, water from the molten cube will occupy the space in the glass which was originally occupied by the ice cube. And, so the water level remains unchanged.

Answered by Expert 27th May 2016, 7:33 PM

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