MCQOPTIONS
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MCQOPTIONS
| 1. |
The momentum of hydrogen atom when a photon is emitted in a transition from \[{{n}_{i}}=10\]to \[{{n}_{f}}\] is- |
| A. | \[\,7\times {{10}^{-27}}\text{ }kg/ms~\] |
| B. | \[\,7\times {{10}^{27}}\text{ }kg/ms~\] |
| C. | \[\,3.5\times {{10}^{-27}}\text{ }kg/ms~\] |
| D. | \[\,3.5\times {{10}^{27}}\text{ }kg/ms~\] |
| Answer» B. \[\,7\times {{10}^{27}}\text{ }kg/ms~\] | |