39. If X-rays with a wavelength of 4.50 x 102 m are used in a Compton Effect experiment and are scattered at an angle of 53.0°, the wavelength of the scattered radiation is: 9.66 x 1013 m 3.53 x 1012 m 4.50 x 1012 m 5.47 x 1012 m А. С. D. B.
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- I could not get the solution.4. In an experiment on the photoelectric effect, a metal is illuminated by visible light of different wavelengths. A photoelectron has a maximum kinetic energy of 0.9 eV when red light of wavelength 640 nm is used. With blue light of wavelength 420 nm, the maximum kinetic energy of the photoelectron is 1.9 eV. Use this information to calculate an experimental value for the Planck constant h. [When light with a wavelength of 208 nm is incident on a certain metal surface, electrons are ejected with a maximum kinetic energy of 3.59 × 10-19 J. Determine the wavelength (in nm) of light that should be used to double the maximum kinetic energy of the electrons ejected from this surface.
- A monochromatic light source illuminates the surface of metal X. The maximum kinetic energy of electrons leaving the surface of the metal is shown in the graph above.An ammeter is connected to the standard photoelectric effect circuit to measure the photoelectric current arising from the electrons moving between the cathode and anode of the vacuum tube containing the illuminated sample. The current is found to be 12.4mA when the metal is illuminated with a wavelength of 184.2nm.What is the energy (eV) of the photons striking metal X?You use 0.124 nm x-ray photons in a Compton-scattering experiment. At what angle is the wavelength of the scattered x rays 1.0% longer than that of the incident x rays? 70.6° 67.0° 60.7° 56.5°19 A 982 W bulb produces monochromatic U-V light of frequency 3.71x1 Hz. The light falls on 15 a clean metal whose cut-off frequency is 5.49x1014 Hz. Find the maximum speed of the emitted electrons, in m/s.
- 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 0of19ASS 3. When light with a wavelength of 222 nm is incident on a certain metal surface, electrons are ejected with a maximum kinetic energy of 3.16 × 10-¹⁹ J. Determine the wavelength of light that should be used to quadruple the maximum kinetic energy of the electrons ejected from this surface. nm fo 0 ssf60€ ssf606 5 09588 09 ssf60 ssf60Suppose a linear accelerator (linac) creates a X-ray beam where every individual photon has an energy of 19 MeV. If 3x1010 photons are produced over 90x10-15 s, as measured through an area of 3.1 m², determine the intensity of the X-ray beam. I = B W/m²