CUSAT 2021 BTech Solved Paper Shift 1

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Question : 71 of 250

Marks: +1, -0

If an annular disc of radii r1 and r2 is heated, then

r1 increases, r2 decreases
r2 increases, r1 decreases
both r1 and r2 increase
r1 increases, r2 remains unchanged

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