Pick out the correct statements from the following
I. Electron emission during β-decay is always accompanied by neutrons
II. Nuclear force is charge independent
III. Fusion is the chief source of stellar energy

Options

(a) Both I and II are correct
(b) Both I and III are correct
(c) Only I is correct
(d) Both II and III are correct

Correct Answer:

Both II and III are correct

Explanation:

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