MCQOPTIONS
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MCQOPTIONS
| 1. |
The ground state energy of hydrogen atom is -13.6 eV. If an electron makes a transition from an energy level - 0.85 eV to -1.51 eV, calculate the wavelength X of the spectral line emitted. |
| A. | \[1.88\times {{10}^{-6}}m\] |
| B. | \[1.87\times {{10}^{-10}}m\] |
| C. | \[1.66\times {{10}^{-9}}m\] |
| D. | \[2.36\times {{10}^{-9}}m\] |
| Answer» B. \[1.87\times {{10}^{-10}}m\] | |