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

If the kinetic energy of the particle is increased to $16$ times its previous value, the percentage change in the de Broglie wavelength of the particle is

The wavelength of a 1 keV photon is 1.24 nm. The frequency of 1 MeV photon is:

In a photoelectric experiment, if both the intensity and frequency of the incident light are doubled, then the saturation photoelectric current