Question

A plate of dimensions 31' 5l on heating % change in area is 2%. A change in the volume of a metal cube of same material of dimension 51° 61° 71 on heating
to double the raise in temperature of the plate
(A) 8 %
(B) 10 %
(C) 6%
(D) 20%​

Answer 1

Answer:

the answer will be (c) 6%.

I am not sure

Answer 2

Answer:

c) 6%

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