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| 1. |
What is the ratio of wavelength of radiations emitted when an electron in hydrogen atom jump from fourth orbit to second orbit and from third orbit to second orbit |
| A. | 1.14236111111111 |
| B. | 0.852083333333333 |
| C. | 0.850694444444445 |
| D. | 1.06041666666667 |
| Answer» C. 0.850694444444445 | |