Reason For a perfectly plastic body, restoring force is zero. Assertion Youngs modulus for a perfectly plastic body is zero.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Assertion is correct but Reason is incorrect
C
Both Assertion and Reason are incorrect
D
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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Solution
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Correct option is A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion The Young’s modulus of a material (Y) is given by, Y=Stress/StrainY=StressStrain.
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