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Assertion: The temperature of the surfac...

Assertion: The temperature of the surface of the sun is approximately `6000 K`. If we take a big lens and focus the sun rays, we can produce a temperature at `8000 K`
Reason: This highest temperature can be produced according to second law of thermodynamics.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false.

D

If both aseertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
D

According to second law of thermodynamics, there is a net transfer of heat from a body at lower temperature to a body at higher temperature without the aid of an external agent. Since, the given information produces a contradiction in second law of thermodynamics, it is not possible to produce temperature of `8000 K` by collectiong the sun rays with a lens.
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