Modern Physics For Scientists And Engineers
2nd Edition
ISBN: 9781938787751
Author: Taylor, John R. (john Robert), Zafiratos, Chris D., Dubson, Michael Andrew
Publisher: University Science Books,
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Chapter 4, Problem 4.23P
To determine
The voltage of an X-ray tube.
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A typical x-ray has a frequency of 3x10*17 Hz. What is the wavelength?
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Chapter 4 Solutions
Modern Physics For Scientists And Engineers
Ch. 4 - Prob. 4.1PCh. 4 - Prob. 4.2PCh. 4 - Prob. 4.3PCh. 4 - Prob. 4.4PCh. 4 - Prob. 4.5PCh. 4 - Prob. 4.6PCh. 4 - Prob. 4.7PCh. 4 - Prob. 4.8PCh. 4 - Prob. 4.9PCh. 4 - Prob. 4.10P
Ch. 4 - Prob. 4.11PCh. 4 - Prob. 4.12PCh. 4 - Prob. 4.13PCh. 4 - Prob. 4.14PCh. 4 - Prob. 4.15PCh. 4 - Prob. 4.16PCh. 4 - Prob. 4.17PCh. 4 - Prob. 4.18PCh. 4 - Prob. 4.19PCh. 4 - Prob. 4.20PCh. 4 - Prob. 4.21PCh. 4 - Prob. 4.22PCh. 4 - Prob. 4.23PCh. 4 - Prob. 4.24PCh. 4 - Prob. 4.25PCh. 4 - Prob. 4.26PCh. 4 - Prob. 4.27PCh. 4 - Prob. 4.28PCh. 4 - Prob. 4.29PCh. 4 - Prob. 4.30PCh. 4 - Prob. 4.31PCh. 4 - Prob. 4.32PCh. 4 - Prob. 4.33P
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- Show that the energy E in eV of a photon is given by E=1.241106 m/A. where A is its wavelength in meters.arrow_forwardWhat is the accelerating voltage of an x-ray tube that produces x rays with a shortest wavelength of 0.0103 nm?arrow_forwardAt what velocity will an electron have a wavelength of 1.00 m?arrow_forward
- What is the wavelength of (a) a 12-keV X-ray photon; (b) a 2.O-MeV y -ray photon?arrow_forwardAn x-ray source generates EM radiation with a wavelength of 45.0 pm (10-12 m). h = c = qelectron = e = 1.602x10-19 C, ke = 8.99x109 N·m2/C2, What is the energy associated with this x-ray wave? What potential difference must be applied to the electrons in the x-ray tube to produce this x-ray? The air gap in the x-ray tube is 30.0 μ How much charge must be present on the plates to create this potential difference for a single electron? What is the force on a single electron when it is at 30.0 μm from the positive plate?arrow_forwardSuppose an x-ray tube produces x-rays with a range of wavelengths, the shortest of which is 0.905 nm. What is the accelerating voltage of the x-ray tube in kilovolts?arrow_forward
- How many photons with a wavelength of 450 nm is required to have a mass of 1.25 micrograms?arrow_forwardHow many x-ray photons per second are created by an x-ray tube that produces a flux of x-rays having a power of 1.21 W? Assume the average energy per photon is 80 keV. photons/secondarrow_forwardX rays with a wavelength of 0.0700 nm diffract from a crystal. Two adjacent angles of x-ray diffraction are 45.6° and 21.0°. What is the distance in nm between the atomic planes responsible for the diffraction?arrow_forward
- An unknown element is used as a target in an x-ray tube. Measurements show that the characteristic spectral lines with the longest wavelengths are 0.155 nm and 0.131 nm. What is the element.arrow_forwardA beam of x-ray is scattered by a target. At 90o from the beam direction, the scattered x-rays have wavelength of 3.0 pm. Calculate the wavelength of the x-ray in the direct beam.arrow_forwardA 2.8-cm-diameter metal sphere is glowing red, but a spectrum shows that its emission spectrum peaks at an infrared wavelength of 2.0 μm. Assume e = 1 How much power does the sphere radiate? Express your answer to two significant figures and include the appropriate units.arrow_forward
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