MCQ
Which of the following is a correct statement
- ✓Beta rays are same as cathode rays
- BGamma rays are high energy neutrons
- CAlpha particles are singly ionized helium atoms
- DProtons and neutrons have exactly the same mass
✓
Answer
Correct option: A.
Beta rays are same as cathode rays
a
(a) Both the $\beta$- rays and the cathode rays are made up of electrons. $\gamma$- rays are $EM$ waves,
(a) Both the $\beta$- rays and the cathode rays are made up of electrons. $\gamma$- rays are $EM$ waves,
$\alpha$- particles are doubly ionized helium atoms and protons and neutrons have approximately the same mass.
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