Mains Tricks
Table of Contents
1. Physics
1.1. Energy of photon having wavelength \( x \) Angstorm
\[ E = \frac{hc}{\lambda} = \frac{12400 \ eV \ A^{\circ}}{x} \]
1.2. Wavelength of light emitted during transition of electron
\[ \lambda = \frac{911 \ A^{\circ}}{Z^2 \ \left( \frac{1}{n_1^2} - \frac{1}{n_2^2} \right)} \]