List of top Chemistry Questions on Dual nature of radiation and matter asked in MET

Calculate the energy of photons having wavelength \(5\times 10^{-7}\) m falling on a metal surface of work function \(3.4\times 10^{-19}\) J.

De-Broglie wavelength of neutron at \(27^\circ C\) is \(\lambda\). Find at \(927^\circ C\).