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A brass disc at 0^(@)C has a diameter of...

A brass disc at `0^(@)C` has a diameter of 50Cm and a hole of diameter 10cm. For Brass `alpha=18xx10^(-6)//""^(@)C`. When the disc is heated to `100^(@)C`, the diameter of the hole becomes.

A

10.018 cm

B

10.180 cm

C

10.8 cm

D

10.81 cm

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A
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