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Match the following fundamental forces of nature with their relative strength:
List-$I$ List-$II$ $(A)$ Strong nuclear force $(i)$ $10^{-2}$ $(B)$ Weak nuclear force (ii) $1$ $(C)$ Electromagnetic force (iii) $10^{-39}$ $(D)$ Gravitational force (iv) $10^{-13}$
| List-$I$ | List-$II$ |
|---|---|
| $(A)$ Strong nuclear force | $(i)$ $10^{-2}$ |
| $(B)$ Weak nuclear force | (ii) $1$ |
| $(C)$ Electromagnetic force | (iii) $10^{-39}$ |
| $(D)$ Gravitational force | (iv) $10^{-13}$ |
What is the mass number of a nucleus having a radius equal to $\frac{1}{3}$ of that of ${}^{189}\text{Os}$?
The atomic weight of boron is $10.81$ and it has two isotopes $_5B^{10}$ and $_5B^{11}$. The ratio of $_5B^{10} : _5B^{11}$ in nature is:
MediumAIPMT 1998
View SolutionWhy do stable nuclei never have more protons than neutrons?
Medium
View SolutionThe surface areas of two nuclei are in the ratio $9: 25$. The mass numbers of the nuclei are in the ratio
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