" What is the energy of a proton possessing wavelength "0.4" A ? "

What is the energy of a proton possessing wavelength 0.4A ?

What is the energy of a proton possessing wavelength 0.4A ?

Energy of proton on increasing the wavelength

What is the energy in joule of a photon of light with wavelength 4.0xx10^3 nm ?

What is the number of proton of light with wavelength 300 nm that provide 2J of energy ?

What is the speed of a proton having de Broglie wavelength of 0.08overset@ A ?

Energy of a photon = E , kinetic energy of a proton is also the same as energy of the photon. Corresponding wavelength of the photon and de Broglie wavelength of the proton are lamda_(1) and lamda_(2) , respectively. What is the relation between E and the ratio of lamda_(1) and lamda_(2) ?