List of top Physics Questions on Particle Nature Of Light: The Photon asked in CUET (UG)

A photon has energy \(6\text{ eV}\). Its frequency is approximately:

Light of wavelength \(400\ \text{nm}\) falls on a metal surface. The energy of one photon is approximately: \[ \left( h=6.63\times10^{-34}\ \text{J s},\quad c=3\times10^8\ \text{m/s} \right) \]

The graph showing correct variation of photo current with intensity of incident light: