Assertion :The maximum stress value below which the strain is fully recoverable is called the elastic limit. Reason: All materials are elastic to some extent but the degree varies.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
The correct explanation is the Hooke's law which says stress is directly proportional to strain till the elastic limit.

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