A) a tautology
B) a contradiction
C) neither tautology nor contradiction
D) both tautology and contradiction
Correct Answer: B
Solution :
The truth table of \[\frac{{{N}_{2}}}{{{N}_{1}}}=\exp \left( -\frac{{{E}_{2}}-{{E}_{1}}}{kT} \right)\]is as follows:| \[\lambda =550nm\] | \[\Rightarrow \] | \[{{E}_{2}}-{{E}_{1}}=\frac{hc}{\lambda }=3.16\times {{10}^{-19}}J\] | \[\Rightarrow \] | \[\frac{{{N}_{2}}}{{{N}_{1}}}=\exp \left( \frac{-3.16\times {{10}^{-19}}J}{(1.38\times {{10}^{-23}}1/k).(300k)} \right)\]\[\Rightarrow \] |
| T | F | F | T | F |
| F | T | T | F | F |
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