4. If the incident photon has energy E (or hv), what is the maximum possible kinetic energy imparted to the scattered electron? At what angle o does this electron scatter?
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- 5) What is the magnitude of the wave number k in region I or III in fig. 5.7? Given that U = 10 MeV, E = 5 MeV and the particle is proton (mc² = 938 MeV). A) 3.455 fm¹ B) 2.501 fm¹ C) 0125 fm D) 0.491 fm¹ of the energy (in 6) The magnitude Energy 0 U E 11 E 2115) What is the magnitude of the wave number k in region I or III in fig. 5.7? Given that U = 10 MeV, E = 5 MeV and the particle is proton (mc² = 938 MeV). A) 3.455 fm¹ B) 2.501 fm¹ C) 0125 fm D) 0.491 fm¹ of the energy (in 6) The magnitude Energy 0 U E 11 E 211How do you calculate the velocity of an electron if the debroy wavelength is given.
- 7. The X-rays detected at a scattering angle of 0 = 65° in the figure have a wavelength of 1.90 nm. What is the kinetic energy of the recoil electron. Recoil Electron electron at rest Incident X-ray photon Scattered X-ray photon 19 0of19 oof19 oofig oof19 0of19 oof19 0of19 0 of19 0of193The photoelectric work function for a metal is 2 eV. When light of wavelength 4800 A falls on this metal. Calculate the maximum K.E. possible for a photoelectron.
- 3. Find the energy of the scattered photon, the electron's kinetic energy, and Compton's shift of a wavelength of 0.01 Å when scattering at angle 70° where: h = 6.62×1034 & mo = 9.11×1031 & c = 3x108 4. Find the positron scattering angle, if the incident photon has frequency 3x 1022 Hz where: h = 6.62x1034 & mo = 9.11×10-31 & c = 3x108Estimate the binding energy of electrons in magnesium, given that the wavelength of 337 nm is the longest wavelength that a photon may have to eject a photoelectron from magnesium photoelectrode. Electrons are bound to the magnesium with potential depth of at least eV.A photon of frequency f undergoes Compton scattering from an electron at rest and scatters through an angle f. The frequency of the scattered photon is f′. How is f′ related to f ? Does your answer depend on f? Explain.
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