Please show steps and show equations used 5. The cut-off (threshold) wavelength for the photoelectric effect...
4. The wavelength of the photoelectric threshold for silver is 3,250 x10-10 m. Determine the velocity of electron ejected from a silver surface by ultraviolet light of wavelength 2,536 x1010 m 5. What is the maximum wavelength (in nm) of light required to produce any current via the photoelectric effect if the anode is made of copper, which has a work function of 4.7 eV?
The threshold wavelength for the photoelectric effect for silver is 262 nm. What is the work function 0for silver? What is the maximum kinetic energy K Emax of an emitted electron if the incident light has a wavelength of 212 nm? KEmax =
Notes we wes > Photoelectric effect [3] - Timer What is the maximum wavelength of incident light that can produce photoelectrons from silver? The work function for silver is O=2.93 ev. Submit Answer Tries 0/20 In this experiment, what is the minimal potential needed to fully stop the electrons if the wavelength of the incident light is 373 nm? Submit Answer Tries 0/20
Please solve in detailed steps, thank you 3. The maximum wavelength for photoelectric emission in tungsten is 230 nm. What wavelength of light must be used inorder for electrons with a maximum energy of 1.5 eV to be ejected ?
Question 17 5 pts Light with a wavelength of 137 nm is shined on the surface of potassium metal. Photoelectrons are ejected from the metal's surface. What is the maximum speed of the ejected photoelectrons? The work function of potassium metal is 2.30 eV. 7.15E5 m/s 9.51E6 m/s 6.32E5 m/s 8.99E5 m/s 1.54E6 m/s
Question 17 5 pts Light with a wavelength of 145 nm is shined on to the surface of platinum metal. What is the maximum speed of the ejected photoelectrons? The work function of platinum is 6.35 eV. 7.15E5 m/s O 6.32E5 m/s O 4.35E4 m/s 08.83E5 m/s O 0m/s. No photoelectrons are ejected.
Question 16 5 pts Use the Bohr model to find the second longest wavelength of light in the Paschen series for a triply-ionized Be atom (Z - 4). Recall that the Paschen series corresponds to transitions to the second excited state in = 3). 13.5 nm O 117 nm O 73.0 nm 41.1 nm O 80.2 nm Question 17 5 pts Light with a wavelength of 137 nm is shined on the surface of potassium metal. Photoelectrons are ejected from...
Could you please explain in detail so that I understand it completely, I'm not very familiar with science. Thank you! 8.(9 pts) Consider a metal for which the photoelectric effect is possible with a maximum wavelength in the blue region of the spectrum. Infrared, red, yellow, violet and ultraviolet beams are successively directed at the metal. a. Which, if any, of these "colors" will cause electrons to be ejected from the surface and why? b. Which beam will result in...
Please explain how to solve this. The answer should be B 8) (5 pts) Light with wavelength of 650 nm shines down on a curved piece of glass that rests on a flat glass as shown. The bottom image shows the reflected light. Assuming the light is incident close to normal to the surface, what is the thickness of the air gap at point Q, which has the maximum intensity? The refractive index of air is 1.0, and the refractive...