Q.

Assertion: Platinum is used to fuse into glass rods.
Reason: Both platinum and glass have almost same values of coefficient of linear expansion.

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a

If both Assertion and Reason are true, but Reason is not correct explanation of the Assertion

b

If both Assertion and Reason are true and the Reason is correct explanation of the Assertion

c

If Assertion is true, but the Reason is false

d

If Assertion is false, but the Reason is true.

answer is A.

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Detailed Solution

Since both glass and platinum have almost the same coefficient of linear expansion therefore, with a change in temperature, the shape of glass will not change, even though platinum is fused with it. therefore, statement 1 is true and statement 2 is correct explanation

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