Atoms And Nuclei Question 261
Question: Which of the following is most unstable [AFMC 2005]
Options:
A) Electrons
B) Protons
C) Neutrons
D) $ \alpha $ -particle
Show Answer
Answer:
Correct Answer: C
Solution:
Neutrons are unstable and having mean life time of 32 sec, decaying by emitting an electron and antineutrino to become proton.