Assertion :A undamped spring-mass system is simplest free vibration system. Reason: It has three degrees of freedom.

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 C Assertion is correct but Reason is incorrect.
Undamped spring-mass system is no doubt the simplest vibration system. But, it has only one degree of freedom. So, assertion is correct but reason is incorrect.

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Assertion :A undamped spring-mass system is simplest free vibration system. Reason: It has three degrees of freedom.

The correct option is C Assertion is correct but Reason is incorrect.Undamped spring-mass system is no doubt the simplest vibration system. But, it has only one degree of freedom. So, assertion is correct but reason is incorrect.

The correct option is C Assertion is correct but Reason is incorrect.
Undamped spring-mass system is no doubt the simplest vibration system. But, it has only one degree of freedom. So, assertion is correct but reason is incorrect.