Questions
If the volume of a block of metal changes by 0.12%. when it is heated through 20°C, then the coefficient of linear expansion is
detailed solution
Correct option is B
Here, ΔVV=0.12%,=0.12100ΔT=20∘CNow, γ=ΔVVΔT=0.12100×20=6×10−5∘C−1∴ α=γ3=2×10−5∘C−1.Talk to our academic expert!
Similar Questions
The coefficient of expansion of a crystal in one direction (x-axis) is 2.0x 10-6 K-1 and that in the other two perpendicular (y-and z-axes) direction is 1.6 x 10-6 K-1 What is the coefficient of cubical expansion of the crystal?
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