Question

The ratio of population of two energy levels out of which upper one
corresponds to a metastable state is 1.365 × 10−21. Find the wavelength of
light emitted at 300K.

Answer 1

435536

explanation

• $1.365 \times 10 - 27$
• $y45 \\ \\ \\ \\ \\ \\ {()x2222. \times \beta \alpha }^{?} \times \frac{?}{?} }^{2}$