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Chapter 38: Q. 22 (page 1114)
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(a). What is the de Broglie wavelength of a baseball with a speed of ?
(b). What is the speed of a baseball with a de Broglie wavelength of ?
Through what potential difference must an electron be accelerated from rest to have a de Broglie wavelength of ?
55 keV x-ray photons are incident on a target. At what scattering angle do the scattered photons have an energy of 50 keV?
a. What quantum number of the hydrogen atom comes closest to giving a 100-nm-diameter electron orbit?
b. What are the electron鈥檚 speed and energy in this state?
A 75 kW radio transmitter emits 550 kHz radio waves uniformly in all directions. At what rate do photons strike a 1.5-m-tall, 3.0-mm-diameter antenna that is 15 km away?
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