Assertion :In a radioactive disintegration, an electron is emitted by the nucleus. Reason: Electrons are always present inside the nucleus.

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
During disintegration of nucleus an electron is emitted so the assertion is correct.
Electrons are not present in the nucleus so the reason is incorrect.

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