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1. |
Based on the equation: \[\Delta E=-2.0\times {{10}^{-18}}J\left( \frac{1}{n_{2}^{2}}-\frac{1}{n_{1}^{2}} \right)\] the wavelength of the light that must be absorbed to excite hydrogen electron from level n = 1 to level \[n=2\] will be: (\[h=6.625\times {{10}^{-34}}Js\],\[C=3\times {{10}^{8}}m{{s}^{-1}}\]) |
A. | \[1.325\times {{10}^{-7}}m\] |
B. | \[1.325\times {{10}^{-10}}m\] |
C. | \[2.650\times {{10}^{-7}}m\] |
D. | \[5.300\times {{10}^{-10}}m\] |
Answer» B. \[1.325\times {{10}^{-10}}m\] | |