3. Choose the correct answer III

1. Proton - Proton chain reaction is an example of

2. In the nuclear reaction, \(_{6}X^{12}\overset{\alpha\ decay}{\rightarrow}_{Z}Y^{A}\), the value of \(A\) and \(Z\) is

3. Kamini reactor is located at

4. Which of the following is/are correct?

(i) Chain reaction takes place in a nuclear reactor and an atomic bomb.
(ii) The chain reaction in a nuclear reactor is controlled.
(iii) The chain reaction in a nuclear reactor is not controlled.
(iv) No chain reaction takes place in an atom bomb.