Home Physics Atomic and Nuclear Physics Nucleus, Nuclear Reaction Consider a sample of a pure beta-active mate…
Physics Atomic and Nuclear Physics Nucleus, Nuclear Reaction MCQ (Single Correct)

Consider a sample of a pure beta-active material

A
All the beta particles emitted have the same energy
B
The beta particles originally exist inside the nucleus and are ejected at the time of beta decay
C
The antineutrino emitted in a beta decay has zero rest mass and hence zero momentum.
D
The active nucleus changes to one of its isobars after the beta decay

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Text Solution

Verified by Experts
The correct answer is:
D

The emitted -particles may have varying energy.
or does not exists inside the nucleus.
does carry momentum.
In -decay mass number does not change.

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