Home Physics Atomic and Nuclear Physics Statement Based Statement I: There is a chain reaction when …
Physics Atomic and Nuclear Physics Statement Based MCQ (Single Correct)

Statement I: There is a chain reaction when uranium is bombarded with slow neutrons.
Statement II: When uranium is bombarded with slow neutrons, more neutrons are produced.
In the light of the above statements, choose the most appropriate answer from the options given below.

A
Both Statement I and Statement II are incorrect.
B
Statement I is correct but Statement II is incorrect.
C
Statement I is incorrect but Statement II is correct.
D
Both Statement I and Statement II are correct.

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Text Solution

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The correct answer is:
D

Both Statement I and Statement II are correct.

When uranium is bombarded by slow neutrons, the reaction is represented as

As more neutrons are produced, the Statement II is correct. These are additional neutrons strike other uranium nuclei to produce even more neutrons. Thus, a chain reaction is established.

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