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Alpha Decay

Assertion :Th...

Question

Assertion :The reactions taking place in the sun are nuclear fusion reactions. Reason: The main reason for nuclear fusion reactions in the sun is that $H_{2}$ is present in the sun's atmosphere so that hydrogen nuclei can fuse to form helium.

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 C Assertion is correct but Reason is incorrect
Reaction occurs in sun is nuclear fusion because of smaller nuclei $(n)$ present in sun. Which fuse to from helium and lot of energy is released.

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