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Assertion : Identical springs of steel...

Assertion : Identical springs of steel and copper are equally stretched. More work will be done on the steel spring.
Reason : Steel is more elastic than copper

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Work done `= (1)/(2) xx` Stress `xx` Strain `= (1)/(2) xx Y xx ("Strain")^(2)` Since, elasticity of steel is more than copper, hence more work must be done in order to stretch the steel.
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