Gamma Decay

Q.

The distribution of electrons into orbitals of an atom is called its:

1. Configuration

2. Molecular configuration

3. Atomic configuration

4. Electronic configuration

Q. 35. The degeneracy of the level of hydrogen atom that has energy -Rh/16 is a) 16 b) 4 c) 2 d) 1

Q. Molecular orbital diagram for carbon molecule with the electronic configuration and magnetic property.

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. Which statement is incorrect

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

Q. In the nuclear transmutation, ${}_4^{9}Be+X{\to }_4^{8}Be+Y$ X and Y are:

1. $(\gamma ,n)$
   
2. $(p,D)$
3. $(n,D)$
4. $(\gamma ,p)$

Q.

what is meant by "n" in formula of series of hydrogen