As the intensity of the light changes to more intensity, what happened to the number of electrons and speed of electrons? Give a reason why this might happen (talk in terms of number of photons).
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- As the intensity of the light changes to more intensity, what happened to the number of electrons and speed of electrons? Give a reason why this might happen (talk in terms of number of photons).
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- In the photoelectric effect, the work function increases if more electrons are emitted. depends only on the metal used. depends on how many photons hit. depends on the frequency of the incident photons. is always larger than the kinetic energy of the emitted electrons.What is the wavelength, in nm, of an electron travelling at 10% of the speed of light?Suppose photons are produced in a cathode ray tube (CRT) from electrons which are accelerated across a potential of 24.5 kV. Part (a) What is the maximum energy, in electron volts, of the photons? Part (b) What is the maximum frequency, in hertz, of these photons?
- Which one of the following statements is true regarding red photons and blue photons traveling through vacuum? A) Red light travels faster than blue light and carries more energy. B) Blue light travels faster than red light and carries more energy. C) Red light travels at the same speed as blue light and carries more energy. D) Blue light travels at the same speed as red light and carries more energy.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 an old-fashioned television set, electrons are accelerated through a potential difference of 24.9 kV. What is the de Broglie wavelength of such electrons? (Relativity is not needed.) Number Units
- Question in the AttachmentsQuestion 1. An electron beam of a TEM leaves the gun with an energy of 300 keV. a) Determine the classical (non-relativistic) and relativistic wavelengths for the electron. (4) b) Determine the classical (non-relativistic) and relativistic momentum, frequencies and energies. (3)Suppose photons are produced in a cathode ray tube (CRT) from electrons which are accelerated across a potential of 22 kV. Energy in electron volts of the photons is 22000. what is the maximum frequency, in hertz, of these photons?