Hydrogen gas, with atoms in their ground state, is irradiated with a laser with a fixed frequency f = 5 × 10^15 Hz. What is the average magnitude of the momentum of electrons that absorbed a photon?
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Hydrogen gas, with atoms in their ground state, is irradiated with a laser with a fixed frequency f = 5 × 10^15 Hz. What is the average magnitude of the momentum of electrons that absorbed a photon?
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- In a Compton scattering experiment, an x-ray photon scatters through an angle of 17.0° from a free electron that is initially at rest. The electron recoils with a speed of 1,960 km/s. (a) Calculate the wavelength of the incident photon. nm (b) Calculate the angle through which the electron scatters.Ultraviolet radiation of wavelength 121 nm is used to irradiate a sample of potassium metal. The work function of potassium is 2.25 eV. Calculate the speed of the electrons emitted through the photoelectric effect.In a Compton scattering experiment, an x-ray photon scatters through an angle of 17.0° from a free electron that is initially at rest. The electron recoils with a speed of 2,120 km/s. (a) Calculate the wavelength of the incident photon. 0.125 Your response differs from the correct answer by more than 10%. Double check your calculations. nm (b) Calculate the angle through which the electron scatters. 53.49 Your response differs from the correct answer by more than 10%. Double check your calculations.
- In a Compton scattering experiment, an x-ray photon scatters through an angle of 12.2° from a free electron that is initially at rest. The electron recoils with a speed of 1,480 km/s. (a) Calculate the wavelength of the incident photon. 0.144 Your response differs from the correct answer by more than 10%. Double check your calculations. nm (b) Calculate the angle through which the electron scatters.An incident X-ray photon of wavelength 0.2011 nm is scattered from an electron that is initially at rest. The photon is scattered at an angle of 0 = 180.0° in the drawing and has a wavelength of 0.2060 nm. Use the conservation of linear momentum to find the momentum gained by the electron. Number IN Units E', X ли E, λ Photon scattering from stationary electronFor a certain metal, the threshold wavelength for the photoelectric effect is 664.0 nm. What is the maximum velocity (in m/s) for ejected electrons when light with wavelength 464.0 nm shines on the metal?
- For light with a wavelength of 350 nm and with an intensity of /= 10-8 W/m², what is the number of photons/(m²s) in the light beam?In a particular case of Compton scattering, a photon collides with a free electron and scatters backwards. The wavelength after the collision is exactly double the wavelength before the collision. What is the wavelength of the incident photon? (mel = 9.11 × 10-31 kg, h = 6.626 × 10-34 J ∙ s, c = 3.00 × 108 m/s) Group of answer choices 1.2 pm 4.8 pm 3.6 pm 2.4 pmDetermine the wavelength of an electron that has a kinetic energy of 1.15 × 10 J. Report your answer in units of nm.
- Radiation of a certain wavelength causes electrons with a maximum kinetic energy of 0.62 eV to be ejected from a metal whose work function is 2.85 eV. What will be the maximum kinetic energy with which this same radiation ejects electrons from another metal whose work function is 2.15 eV?A x-ray having wavelength 0.077nm strikes a free and ‘stationary’ electron. This causes the electron to recoil and an x-ray having longer wavelength to be emitted at angle θ to the direction of the incident x-ray. If the electron recoils with kinetic energy 0.9238 eV, determine the angle at which the second x-ray emerges