Question

9. Coefficient of linear
expansion of brass is
19 x 10-6°C-1. If the area of a circular brass disc at 0°C
is 25 cm2, then at 80°C its area will be
B 25.076 cm2
A 25.038 cm2
© 25.114 cm2
D 25.38 cm2​

Answer 1

Answer:

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Answer 2

Answer:

c

Explanation:

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