MCQ
A radioactive substance emits
  • A
    $\alpha$- rays
  • B
    $\beta$- rays
  • C
    $\gamma$- rays
  • All of these

Answer

Correct option: D.
All of these
d
(d) Radiation is the energy that is released as particles or rays, during radioactive decay.

A radioactive substance emits $\alpha$ or $\beta$ rays.

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