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Physics
Physics
Problem
A thin copper wire of length
L
L
L
increase in length by 2% when heated from
T
1
T_1
T
1
to
T
2
T_2
T
2
. If a copper cube having side
10
L
10L
10
L
is heated from
T
1
T_1
T
1
to
T
2
T_2
T
2
what will be the percentage change in a. area of one face of the cube b. volume of the cube
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