# Question #e1062

However, the phenomena of Blackbody radiation and Photoelectric effect among many other phenomena are certain phenomena which can only be explained by assuming the particle model of light where each particle is associated with an energy $E = h \nu$ and momentum $p = \frac{h}{l} a m \mathrm{da}$ where $\nu$ and $l a m \mathrm{da}$ are the frequency and wavelength respectively.