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				| 1. | In a hydrogen like atom, when an electron jumps from the M-shell to the L-shell, the wavelength of emitted radiation is λ. If an electron jumps from N-shell to the L-shell, the wavelength of emitted radiation will be | 
| A. | \(\frac{{27}}{{20}}\lambda \) | 
| B. | \(\frac{{25}}{{16}}\lambda\) | 
| C. | \(\frac{{20}}{{27}}\lambda\) | 
| D. | \(\frac{{16}}{{25}}\lambda\) | 
| Answer» D. \(\frac{{16}}{{25}}\lambda\) | |