Q. No.1. \(3:4\)
2. \(5:8\)
3. \(2:1\)
4. \(1:2\)
If the nuclear radius of \(^{27}\text{Al}\) is \(3.6\) Fermi, the approximate nuclear radius of \(^{64}\text{Cu}\) in Fermi is:
1. \(2.4\)
2. \(1.2\)
3. \(4.8\)
4. \(3.6\)
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| 1. | \({ }_6^{16} \mathrm{ C} ~\text{and }~{ }_7^{16}\mathrm{N}\) | 2. | \({ }_7^{16}\mathrm{N} \text { and }{ }_8^{16}\mathrm{O}\) |
| 3. | \({ }_8^{16} \mathrm{O} \text { and }{ }_7^{14}\mathrm{N}\) | 4. | \({ }_6^{14} \mathrm{C} \text { and }{ }_7^{15} \mathrm{N}\) |
1. \(N+P\)
2. \((N+P)^{1/3}\)
3. \((N+P)^{2/3}\)
4. \((N+P)^{-1/3}\)
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. \(4.4~\text{fm}\)
2. \(7~\text{fm}\)
3. \(22~\text{fm}\)
4. \(17.6~\text{fm}\)
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. \(2.1 \times 10^{-15}~ \text {m} \)
2. \(1.3 \times 10^{-15}~ \text{m} \)
3. \(0.22 \times 10^{-15} ~\text{m} \)
4. \(1.2 \times 10^{-15} ~\text{ m} \)
1. \(1:10\)
2. \(10:1\)
3. \(1:1\)
4. \(1:2\)
[given that \(R_0=1.1~\text{fm}\) ]
1. \(R=R_0A^{\frac{1}{2}},\) \(8.8 ~\text{fm}\)
2. \(R=R_0A^{\frac{1}{3}},\) \(4.4~\text{fm}\)
3. \(R=R_0A^{\frac{1}{3}},\) \(3.3~\text{fm}\)
4. \(R=R_0A^{\frac{1}{6}},\) \(2.2~\text{fm}\)
1. \(10^{-9}~\text m\)
2. \(10^{-12}~\text m\)
3. \(10^{-15}~\text m\)
4. \(10^{-18}~\text m\)
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Two nuclei have their mass numbers in the ratio of \(1:3.\) The ratio of their nuclear densities would be:
1. \(1:3\)
2. \(3:1\)
3. \((3)^{1/3}:1\)
4. \(1:1\)
© 2026 GoodEd Technologies Pvt. Ltd.