Question

Which of the following is the main cause of late discovery of neutron?

• A. Neutron in nucleus moves very fast
• B. Neutron is highly unstable particle
• C. Neutron is chargeless particle
• D. All of these

Answer 1

Answer: (C)

Neutron is chargeless particle

Answer 2

Neutron in free state immediatly decomposes to proton and electron which makes its detection very difficults outside the nucleus. ${ }_{0}^{1} n \rightarrow{ }_{1}^{1} p+{ }_{-1}^{0} e$