PHYSICS F/SCI.+ENGRS.,STAND.-W/ACCESS
6th Edition
ISBN: 9781429206099
Author: Tipler
Publisher: MAC HIGHER
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Question
Chapter 34, Problem 32P
(a)
To determine
The magnitude of the momentum of an electron.
(b)
To determine
The kinetic energy of the electron.
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Students have asked these similar questions
Q:-3(a)-An electron moves in the x direction with a speed of 2.8 x 106 m/s. We can measure its
speed to a precision of 2 %. With what precision can we simultaneously measure its x coordinate?
(b)- Repeat the calculations of the previous example in the case of a pitched baseball (m = 0.135
kg) moving at a speed of (44.5 ms). Again assume that its speed can be measured to a precision of
2%
A diffraction experiment requires the use of electrons of wavelength
550 pm. Ca lcu late the speed of the electrons.
Light shines on a metal whichh has a work function of 2.0eV and electrons are emitted with velocities up to a maximum of 6.0 x 10^6 m/s. Compute the
a) frequency of light and
b) minimum frequency of light needed to produce any photoelectrons.
Chapter 34 Solutions
PHYSICS F/SCI.+ENGRS.,STAND.-W/ACCESS
Ch. 34 - Prob. 1PCh. 34 - Prob. 2PCh. 34 - Prob. 3PCh. 34 - Prob. 4PCh. 34 - Prob. 5PCh. 34 - Prob. 6PCh. 34 - Prob. 7PCh. 34 - Prob. 8PCh. 34 - Prob. 9PCh. 34 - Prob. 10P
Ch. 34 - Prob. 11PCh. 34 - Prob. 12PCh. 34 - Prob. 13PCh. 34 - Prob. 14PCh. 34 - Prob. 15PCh. 34 - Prob. 16PCh. 34 - Prob. 17PCh. 34 - Prob. 18PCh. 34 - Prob. 19PCh. 34 - Prob. 20PCh. 34 - Prob. 21PCh. 34 - Prob. 22PCh. 34 - Prob. 23PCh. 34 - Prob. 24PCh. 34 - Prob. 25PCh. 34 - Prob. 26PCh. 34 - Prob. 27PCh. 34 - Prob. 28PCh. 34 - Prob. 29PCh. 34 - Prob. 30PCh. 34 - Prob. 31PCh. 34 - Prob. 32PCh. 34 - Prob. 33PCh. 34 - Prob. 34PCh. 34 - Prob. 35PCh. 34 - Prob. 36PCh. 34 - Prob. 37PCh. 34 - Prob. 38PCh. 34 - Prob. 39PCh. 34 - Prob. 40PCh. 34 - Prob. 41PCh. 34 - Prob. 42PCh. 34 - Prob. 43PCh. 34 - Prob. 44PCh. 34 - Prob. 45PCh. 34 - Prob. 46PCh. 34 - Prob. 47PCh. 34 - Prob. 48PCh. 34 - Prob. 49PCh. 34 - Prob. 50PCh. 34 - Prob. 51PCh. 34 - Prob. 52PCh. 34 - Prob. 53PCh. 34 - Prob. 54PCh. 34 - Prob. 55PCh. 34 - Prob. 56PCh. 34 - Prob. 57PCh. 34 - Prob. 58PCh. 34 - Prob. 59PCh. 34 - Prob. 60PCh. 34 - Prob. 61PCh. 34 - Prob. 62PCh. 34 - Prob. 63PCh. 34 - Prob. 64PCh. 34 - Prob. 65PCh. 34 - Prob. 66PCh. 34 - Prob. 67PCh. 34 - Prob. 68PCh. 34 - Prob. 69PCh. 34 - Prob. 70PCh. 34 - Prob. 71PCh. 34 - Prob. 72PCh. 34 - Prob. 73P
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- A 600-nm light falls on a photoelectric surface and electrons with the maximum kinetic energy of 0.17 eV are emitted. Determine (a) the work function and (b) the cutoff frequency of the surface. (c) What is the stopping potential when the surface is illuminated with light of wavelength 400 nm?arrow_forwardA diffraction experiment requires the use of electrons of wavelength 550 pm. Ca lcu late the speed of the electrons.arrow_forwardQ:-3(a)-An electron moves in the x direction with a speed of 2.8 x 10° m/s. We can measure its speed to a precision of 2 %. With what precision can we simultaneously measure its x coordinate? (b)- Repeat the calculations of the previous example in the case of a pitched baseball (m = 0.135 kg) moving at a speed of (44.5 m's). Again assume that its speed can be measured to a precision of 2% (c) What is your comment on the result in part (a) and (b) from the point of view of c quantum mechanics?arrow_forward
- An electron is having a kinetic energy of 3.00 eV. As pwe De Broglie hypothesis what will be its wavelength?arrow_forward7) White light has wavelengths that range from 380 nm to 750 nm. This light strikes a metal that has a work function of 2.28 eV. (a) What is the maximum kinetic energy (in joules) of the electrons that are emitted from the metal? (b) For what wavelengths will no electrons be emitted? range ofarrow_forwardThe artifi cially created nuclear isotope tritium (3H) is important in many applications. This isotope undergoes beta decay, emitting an electron with a mean kinetic energy of 5.7 keV. (a) What is the de Broglie wavelength of such an emitted electron? (b) Is it likely that the electron existed inside the 3.4-fm-diameter nucleus just before it was emitted? Explain.arrow_forward
- (a) Calculate the wavelength (in m) of a photon that has the same momentum as a proton moving at 1.21% of the speed of light. m (b) What is the energy of the photon in MeV? MeV (c) What is the kinetic energy of the proton in MeV? MeVarrow_forwardWhat is the wavelength of the quantum of light (in µm) if it has the same momentum as a proton moving at 1.7×10 3 m/s? Proton mass is 1.67×10 -27 kg. Answer:arrow_forward(a) If a photon and an electron each have the same energy of 20.0 eV, find the wavelength of each. (b) If a photon and an electron each have the same wavelength of 250 nm, find the energy of each. (c) You want to study an organic molecule that is about 250 nm long using either a photon or an electron microscope. Approximately what wavelength should you use and which probe, the electron or the photon, is likely to damage the molecule the least?arrow_forward
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