1. | \(420\) Hz | 2. | \(440\) Hz |
3. | \(484\) Hz | 4. | \(512\) Hz |
1. | 2. | ||
3. | 4. |
1. | all vessels contain unequal number of respective molecules. |
2. | the root mean square speed of molecules is same in all the three cases. |
3. | the root mean square speed of helium is the largest. |
4. | the root mean square speed of sulfur hexafluoride is the largest. |
1. | \(+\frac K2\) | 2. | \(-\frac{K}{2}\) |
3. | \(-\frac{K}{4}\) | 4. | \(+\frac K4\) |
1. | \(2\times10^{-4}~\text{Nm}^{-1}\) and is attractive |
2. | \(2\times10^{-4}~\text{Nm}^{-1}\) and is repulsive |
3. | \(1\times10^{-4}~\text{Nm}^{-1}\) and is attractive |
4. | \(1\times10^{-4}~\text{Nm}^{-1}\) and is repulsive |