Assertion -Every wire is like a spring- whose spring constant- K-1-l where l is the length of wire- Reason- It follows from the relation K- YA-l

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Standard XII

Chemistry

Hydrogen Peroxide

Assertion :Ev...

Question

Assertion :Every wire is like a spring, whose spring constant, $K α \frac{1}{l}$ where $l$ is the length of wire. Reason: It follows from the relation $K = \frac{Y A}{l}$

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
$\frac{Y A}{l}$ has the units of Force per unit change in length or extension in length, which is same as of spring constant.
Option A.

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Assertion :Every wire is like a spring, whose spring constant, Kα1l where l is the length of wire. Reason: It follows from the relation K=YAl

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for AssertionYAl has the units of Force per unit change in length or extension in length, which is same as of spring constant.Option A.

Assertion :Every wire is like a spring, whose spring constant, $K α \frac{1}{l}$ where $l$ is the length of wire. Reason: It follows from the relation $K = \frac{Y A}{l}$

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
$\frac{Y A}{l}$ has the units of Force per unit change in length or extension in length, which is same as of spring constant.
Option A.