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Standard XII

Physics

Normal Force

Assertion :A ...

Question

Assertion :A rigid body can be elastic. Reason: If a force is applied on the rigid body, its dimensions may change.

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 D Both Assertion and Reason are incorrect
An ideal rigid body is a body with perfectly definite and unchanging shape.

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(b) Assertion and reason both are wrong statements.
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Assertion :A rigid body can be elastic. Reason: If a force is applied on the rigid body, its dimensions may change.

The correct option is D Both Assertion and Reason are incorrectAn ideal rigid body is a body with perfectly definite and unchanging shape.

The correct option is D Both Assertion and Reason are incorrect
An ideal rigid body is a body with perfectly definite and unchanging shape.