physics questions
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When the number of electrons striking the anode of an X-ray tube increases, the [removed]of the emitted X-rays increases.
When the speed of electrons striking the anode of an X-ray tube increases, the [removed]a0 of the emitted X-rays increases.
An X-ray tube emits X-rays with a wavelength of 1.00 x 10-11 m. Calculate the photon energy, in joules, that the emitted X-rays possess.
E = [removed]a0 x 10[removed]a1 joules
An X-ray tube emits X-rays with a wavelength of 1.00 x 10-11 m. Calculate the energy, in electron volts, that the X-rays possess.
[removed]a0 x 10[removed]a1 ev
An X-ray tube emits X-rays with a wavelength of 1.00 x 10-11 m. Determine the energy, in electron volts, possessed by the incident electrons.
[removed]a0 x 10[removed]a1 ev
An X-ray tube emits X-rays with a wavelength of 1.0 x 10-11 m. Calculate the potential that must be applied across the X-ray tube to give each incident electron its energy.
[removed]a0 x 10[removed]a1 ev
Calculate the highest frequency X-rays produced by 8.00 · 104 ev electrons.
[removed]a0 x 10[removed]a1 Hz
A television tube can accelerate electrons to 2.00 · 104 ev. Calculate the wavelength of emitted X-rays with the highest energy.
= [removed]a0 x 10[removed]a1 m
Calculate the energy, in electron volts, of X-rays that have a frequency of 1.0 x 1019 Hz.
[removed]a0 x 10[removed]a1 ev
Calculate the de Broglie wavelength of a 5,100 kg truck traveling at 82 kph.
= [removed]a0 x 10[removed]a1 m
Calculate the de Broglie wavelength of an electron traveling at 1.0 x 107 m/sec. (me = 9.1 · 10-31 kg).
= [removed]a0 x 10[removed]a1 m
Calculate the approximate momentum change in a particle of mass 1.7 · 10-27 kg (a proton), initially at rest, whose position (
x) is located to within 1.00 x 10-4 m.
mv = [removed]a0 x 10[removed]a1 kg · m/sec.
Calculate the uncertainty of the velocity of a particle confined to a space of 1.0 x 10-9 m if the particle is an electron.
(me = 9.1 · 10-31 kg)
v = [removed]a0 x 10[removed]a1 m/sec.
Calculate the uncertainty of the velocity of a particle confined to a space of 1.0 x 10-9 m if the particle is a proton.
(mp = 1.7 · 10-27 kg)
v = [removed]a0 x 10[removed]a1 m/sec.
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