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From a rectangular sheet EFGH of metal, ...

From a rectangular sheet EFGH of metal, two small square shaped pieces, as shown in the figure, are removed. The remaining metal sheet is then heated. What happens to the area of the empty squares ABCD and PQRS? Also explain, what happens to
(i) the distance between the points C and D and
(ii) the distance between point C and S.

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Is the expansion of the metallic sheet unifrom ? If so, how is its length and breath affected ? Recall the formula for area of a square.
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PEARSON IIT JEE FOUNDATION-HEAT-All Questions
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