An ultrashort pulse has a duration of 9.00 fs and produces light at a wavelength of 556 nm. What are the momentum and momentum uncertainty of a single photon in the pulse?
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An ultrashort pulse has a duration of 9.00 fs and produces
light at a wavelength of 556 nm. What are the momentum and momentum
uncertainty of a single photon in the pulse?
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- The work function for a Palladium metal plate on a PCB board of a detector is 5.22 eV. A. Compute the energy, in units of Joules, that is required to remove an electron from the plate B. Compute the KE and speed of and electron hit by a photon of wavelength 75 nm C. Compute the speed of the ejected electron if the wavelength of the photon is 265 nm (J) and (m/s) (J). (m/s)A photoelectric experiment has a work function = 6.35 eV. The minimum cutoff frequency is 1.53E15 Hz a.) Purple light (wavelength 420 nm)- the energy of the photon is ______ eV What is the kinetic energy? b.) Ultraviolet (wavelength 130 nm)- the energy of the UV photon is _______eV. What is the kinetic energy?When light of wavelength 244nm illuminates an aluminum surface, a stopping potential of 1.0V is needed to reduce the photoelectric current to zero. a. Find the work function of aluminum. b. Find the wavelength of light that would require a stopping potential of 1.5 V.
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