Questions
A crystal has a coefficient of expansion 13 x 10-7 in one direction and 237 x 10-7 in every direction at right angles to it. Then the cubical coefficient of expansion is
a
462 x 10-7
b
244 x 10-7
c
475x 10-7
d
257 x 10-7
detailed solution
Correct option is C
γ=α1+α2+α3=13×10−7+231×10−7+231×10−7=475×10−7Talk to our academic expert!
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