Chapter 6: Problem 80
What is the wavelength of (a) a 12 -keV X-ray photon; (b) a 2.0 -MeV \(\gamma\) -ray photon?
Chapter 6: Problem 80
What is the wavelength of (a) a 12 -keV X-ray photon; (b) a 2.0 -MeV \(\gamma\) -ray photon?
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Get started for freeThe work function for barium is 2.48 eV. Find the maximum kinetic energy of the ejected photo electrons when the barium surface is illuminated with: (a) radiation emitted by a 100 -kW radio station broadcasting at 800 \(\mathrm{kHz} ;\) (b) a 633 -nm laser light emitted from a powerful HeNe laser; and (c) a 434-nm blue light emitted by a small hydrogen gas discharge tube.
A 400-nm laser beam is projected onto a calcium electrode. The power of the laser beam is \(2.00 \mathrm{mW}\) and the work function of calcium is 2.31 eV. (a) How many photoelectrons per second are ejected? (b) What net power is carried away by photoelectrons?
The de Broglie wavelength of a neutron is 0.01 nm. What is the speed and energy of this neutron?
Find the momentum and energy of a \(1.0-\AA\) photon.
A \(\quad \gamma\) -ray photon has a momentum of \(8.00 \times 10^{-21} \mathrm{kg} \cdot \mathrm{m} / \mathrm{s}\),Find its wavelength and energy.
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