If wavelength of radiation is `4000Å=400nm` then the energy of the photon is

A photon of 300 nm is absorbed by a gas which then re-emits photon .One re-emited photon has a wavelength of 400 nm .Calculate the energy of the other photon re-emitted not

A photon of 300 nm is absorbed by a gas which then re-emits photon .One re-emited photon has a wavelength of 400 nm .Calculate the energy of the other photon re-emitted not

The relationship between energy E, of the radiation with a wavelength 8000 Å and the energy of the radiation with a wavelength 16000 Å is

The relationship between energy E, of the radiation with a wavelength 8000 Å and the energy of the radiation with a wavelength 16000 Å is

What is the wavelength of the radiation with photon energy which is the mean value of photon energies of radiations with wavelength lamda_1 = 4000 Å and lamda_2 = 6000 Å ?

If energy of photon of 6000 Å is 3.2xx10^(-19) J then energy of photon with 4000 Å will be…….