A photon of wavelength 2.0 nm Compton-scatters from an electron at an angle of 90°. What is the modified wavelength? ( )
举一反三
- In a Compton scattering experiment, a photon of energy E is scattered from an electron at rest. After the scattering event occurs, which of the following statements is true? A: The frequency of the photon is greater than E/h. B: The energy of the photon is less than E. C: The wavelength of the photon is less than hc/E. D: The momentum of the photon increases.
- A photon having 40 keV scatters from a free electron at rest. What is the maximum energy that the electron can obtain? ( )
- If we have a tungsten anode (work function f=4.63 eV) and electron acceleration voltage of 35 kV, what is the minimum wavelength of the x rays? ( )
- 中国大学MOOC: The wavelength range of UV-B is .(280 nm-320 nm / 320 nm-360 nm)
- After Compton scattering, the scattered x-ray has_______. A: Higher energy B: Higher velocity C: Less mass D: Longer wavelength