MCQOPTIONS
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MCQOPTIONS
| 1. |
Radius of the first orbit of the electron in a hydrogen atom is 0.53 Å. So, the radius of the third orbit will be [Kerala (Engg.) 2001] |
| A. | 2.12 Å |
| B. | 4.77 Å |
| C. | \[\frac{1}{1490},\frac{1}{1510}\] |
| D. | 1.59 Å |
| Answer» C. \[\frac{1}{1490},\frac{1}{1510}\] | |