Assertion :From the relation $Y = \frac{F l}{A Δ l}$ , we can say that, if length of a wire is doubled, its Young's modulus of elasticity will also becomes two times. Reason: Modulus of elasticity is a material property.

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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Assertion is incorrect but Reason is correct

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Solution

The correct option is D Assertion is incorrect but Reason is correct
When the length is doubled, the elongation $Δ l$ also changes accordingly, so the value of $Y$ remains constant.
Modulus of elasticity is material property.
Assertion is incorrect, Reason is correct.

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Assertion :From the relation Y=FlAΔl, we can say that, if length of a wire is doubled, its Young's modulus of elasticity will also becomes two times. Reason: Modulus of elasticity is a material property.

The correct option is D Assertion is incorrect but Reason is correctWhen the length is doubled, the elongation Δl also changes accordingly, so the value of Y remains constant.Modulus of elasticity is material property.Assertion is incorrect, Reason is correct.

Assertion :From the relation $Y = \frac{F l}{A Δ l}$ , we can say that, if length of a wire is doubled, its Young's modulus of elasticity will also becomes two times. Reason: Modulus of elasticity is a material property.

The correct option is D Assertion is incorrect but Reason is correct
When the length is doubled, the elongation $Δ l$ also changes accordingly, so the value of $Y$ remains constant.
Modulus of elasticity is material property.
Assertion is incorrect, Reason is correct.