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Area and Volume Expansion

When a copper...

Question

When a copper ball is heated, the largest percentage increase will occur in its

A

Diameter

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B

Area

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C

Volume

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D

Density

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Solution

The correct option is C
Volume

When a copper ball is heated, it's size increases. As Volume $μ$ (radius)3 and Area $μ$ ((radius)2, so percentage increase will be largest in it's volume. Density will decrease with rise in temperature.

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