Gamma Decay

Q.

The nucleus ²⁰² ₈₄X emits an alpha particle and forms, the nucleus Y. What changes will take place in the mass number and the atomic number of nucleus Y if it emits gamma radiations?

Q. A photon of hard gamma radiation knocks a proton out of $\begin{array}{c}24\\ 12\end{array}$ nucleus to form

1. The isotope of parent nucleus
2. The isobar of parent nucleus
3. The nuclide $\begin{array}{c}23\\ 11\end{array}Na$
4. The isobar of $\begin{array}{c}23\\ 11\end{array}Na$

Q. The nucleus ${}_Z^{A}Y$ goes through gamma decay. What shall be the product?

1. ${}_{Z-1}^{A-1}X$
2. ${}_{Z-1}^{A}X$
3. ${}_Z^{A-1}Y$
4. ${}_Z^{A}Y$

Q. When nucleus of an electrically neutral atom undergoes a radioactive decay process, it will remain neutral after the decay if the process is

1. $\gamma$ -decay
2. K-capture process
3. $\alpha$ -decay
4. ${\beta }^{\oplus }$ -decay

Q. What is X in the following nuclear reaction ${}_7{N}^{14}{+}_1{H}^1{\to }_8{O}^{15}+X$

1. ${}_{+1}{e}^0$
2. ${}_0{n}^1$
3. $\gamma$
4. ${}_{-1}{e}^0$

Q. Which statement is incorrect

1. $\alpha$ -rays have more penetrating power than $\beta$ -rays
2. $\beta$ -rays have more penetrating power than $\alpha$ -rays
3. $\alpha$-rays have less penetrating power than $\gamma$ -rays
4. $\beta$ -rays have less penetrating power than $\gamma$ -rays

Q. A photon of hard gamma radiation knocks a proton out of $\begin{array}{c}24\\ 12\end{array}$ nucleus to form

1. The isotope of parent nucleus
2. The isobar of parent nucleus
3. The nuclide $\begin{array}{c}23\\ 11\end{array}Na$
4. The isobar of $\begin{array}{c}23\\ 11\end{array}Na$

Q. The nucleus ${}_Z^{A}Y$ goes through gamma decay. What shall be the product?

1. ${}_{Z-1}^{A-1}X$
2. ${}_{Z-1}^{A}X$
3. ${}_Z^{A-1}Y$
4. ${}_Z^{A}Y$