CBSE
Multiple Choice QuestionsThe de-Broglie wavelength of an electron is the same as that of a 50 keV X-ray photon. The ratio of the energy of the photon to the kinetic energy of the electron is (the energy equivalent of electron mass is 0.5 MeV)
1 : 50
1 : 20
20 : 1
50 : 1
Consider two particles of different masses. In which of the following situations the heavier of the two particles will have smaller de-Broglie wavelength ?
Both have a free fall through the same height
Both move with the same kinetic energy
Both move with the same linear momentum
Both move with the same speed
