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Question

Assertion :The splitting of atomic nuclei releases enormous energy Reason: When a single free neutron strikes the nucleus of an atom of fissile (radioactive) material like uranium 235 or plutonium 239, it usually knocks two or three more neutrons free.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
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
The splitting of atomic nuclei releases enormous energy. When a single electron strikes the nucleus of an atom of fissile ( radioactive) material like uranium 235 or plutonium239 , it usually knocks two or three more neutrons free. This releases enormous energy.

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