Home Physics Atomic and Nuclear Physics Radioactivity Which of the following is a correct statemen…
Physics Atomic and Nuclear Physics Radioactivity MCQ (Single Correct)

Which of the following is a correct statement?

A
Beta rays are same as cathode rays
B
Gamma rays are high energy neutrons
C
Alpha particles are singly ionized helium atoms
D
Protons and neutrons have exactly the same mass

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Verified by Experts
The correct answer is:
A

Both the β β -rays and the cathode rays are made up of electrons. γ γ -rays are EM waves, α α -particles are doubly ionized helium atoms and protons and neutrons have approximately the same mass.

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