In the given figure, a rod is free at one end and other end is fixed. When we change the temperature of rod by Δθ, then strain produced in the rod will be
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a
αΔθ
b
12α∆θ
c
zero
d
information incomplete
answer is C.
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Detailed Solution
Here rod is free to expand from one side. So by changing temperature no strain will be produced in the rod. Hence answer is (c).