Group Displacement Law

Q.

How much mass is converted to energy in a Hydrogen bomb?

Q. What is the meaning of "neutron can penetrate the nuclei"?

Q. The position of element $RaC$ in the periodic table is:
${}_{88}^{226}Ra{\stackrel{-\alpha }{\to }}_{86}Rn\stackrel{-\alpha }{\to }RaA\stackrel{-\beta }{\to }RaB\stackrel{-\alpha }{\to }RaC$

1. ${13}^{th}$ group and $6^{th}$ period
2. ${16}^{th}$ group and $3^{rd}$ period
3. ${15}^{th}$ group and $7^{th}$ period
4. ${15}^{th}$ group and $6^{th}$ period

Q. On bombarding ${}_7{N}^{14}$ with $\alpha$ -particles, the nuclei of the product formed after the release of a proton will be or In nuclear reaction ${}_7{N}^{14}{+}_{2}H{e}^4{\to }_z{X}^A{+}_1{H}^1$, the term ${}_z{X}^A$ represents

1. ${}_8{O}^{17}$
2. ${}_9{F}^{18}$
3. ${}_9{F}^{17}$
4. ${}_8{O}^{18}$

Q. In the nuclear reaction ${}_{12}M{g}^{24}{+}_{2}H{e}^4{=}_0{n}^1+?$ The product nucleus is

1. ${}_{13}A{l}^{27}$
2. ${}_{14}S{i}^{27}$
3. ${}_{13}A{l}^{28}$
4. ${}_{12}M{g}^{25}$

Q. $\begin{array}{c}180\\ 72\end{array}X\stackrel{2\alpha }{\to }\stackrel{\beta }{\to }\stackrel{\gamma }{\to }\begin{array}{c}A\\ Z\end{array}{X}^{\prime }$.Z and A are

1. 69, 172
2. 172, 69
3. 180, 70
4. 182, 68

Q. If uranium (mass no. 238 and atomic no. 92) emits $\alpha$ -particle, the product has mass number and atomic number

1. 234, 90
2. 236, 92
3. 238, 90
4. 236, 90

Q. ${}_{90}T{h}^{232}$ belongs to group-3. It emits an $\alpha$-particle. The daughter element belongs to group

1. I group
2. II group
3. III group
4. IV group

Q. In the reaction ${}_{3}L{i}^6+(?){\to }_{2}H{e}^4{+}_1{H}^3$. The missing particle is

1. Electron
2. Neutron
3. Proton
4. Deutron