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A bimetallic strip of thickness 2cm cons...

A bimetallic strip of thickness 2cm consists of zinc and silver rivetted together. The approximate radius of curvature of the strip when heated through 50°C will be (linear expansivity of zinc and silver are `32 xx 10^(-6)//°C and 19 xx 10^(-6)//°C` respectively )

A

30.77 m

B

61.54 m

C

15.38 m

D

7.69 m

Text Solution

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The correct Answer is:
A
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