PHYSICS F/SCI.+ENGRS.,STAND.-W/ACCESS
6th Edition
ISBN: 9781429206099
Author: Tipler
Publisher: MAC HIGHER
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Chapter 31, Problem 12P
To determine
The region behind it is less dangerous to stand in front of intense beam of red light than in front of very low intensity beam of gamma rays.
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An x - ray tube is operated at 5.00 x 104 V. (a) Find the minimum wavelength of the radiation emitted by this tube. (b) If the radiation is directed at a crystal, the first - order maximum in the reflected radiation occurs when the grazing angle is 2.5°. What is the spacing between reflecting planes in the crystal?
An x-ray tube is operated at 50 000 V. (a) Find the minimum wavelength of the radiation emitted by this tube. (b) If the radiation is directed at a crystal, the first-order maximum in the reflected radiation occurs when the grazing angle is 2.5°. What is the spacing between reflecting planes in the crystal?
(4) (a) What is the wavelength of an X-ray photon of energy 10.0 keV?
(b) What is the wavelength of a gamma-ray photon of energy 1.00 MeV?
(c) What is the range of energies of photons of visible light with wavelengths 350-700 nm?
Chapter 31 Solutions
PHYSICS F/SCI.+ENGRS.,STAND.-W/ACCESS
Ch. 31 - Prob. 1PCh. 31 - Prob. 2PCh. 31 - Prob. 3PCh. 31 - Prob. 4PCh. 31 - Prob. 5PCh. 31 - Prob. 6PCh. 31 - Prob. 7PCh. 31 - Prob. 8PCh. 31 - Prob. 9PCh. 31 - Prob. 10P
Ch. 31 - Prob. 11PCh. 31 - Prob. 12PCh. 31 - Prob. 13PCh. 31 - Prob. 14PCh. 31 - Prob. 15PCh. 31 - Prob. 16PCh. 31 - Prob. 17PCh. 31 - Prob. 18PCh. 31 - Prob. 19PCh. 31 - Prob. 20PCh. 31 - Prob. 21PCh. 31 - Prob. 22PCh. 31 - Prob. 23PCh. 31 - Prob. 24PCh. 31 - Prob. 25PCh. 31 - Prob. 26PCh. 31 - Prob. 27PCh. 31 - Prob. 28PCh. 31 - Prob. 29PCh. 31 - Prob. 30PCh. 31 - Prob. 31PCh. 31 - Prob. 32PCh. 31 - Prob. 33PCh. 31 - Prob. 34PCh. 31 - Prob. 35PCh. 31 - Prob. 36PCh. 31 - Prob. 37PCh. 31 - Prob. 38PCh. 31 - Prob. 39PCh. 31 - Prob. 40PCh. 31 - Prob. 41PCh. 31 - Prob. 42PCh. 31 - Prob. 43PCh. 31 - Prob. 44PCh. 31 - Prob. 45PCh. 31 - Prob. 46PCh. 31 - Prob. 47PCh. 31 - Prob. 48PCh. 31 - Prob. 49PCh. 31 - Prob. 50PCh. 31 - Prob. 51PCh. 31 - Prob. 52PCh. 31 - Prob. 53PCh. 31 - Prob. 54PCh. 31 - Prob. 55PCh. 31 - Prob. 56PCh. 31 - Prob. 57PCh. 31 - Prob. 58PCh. 31 - Prob. 59PCh. 31 - Prob. 60PCh. 31 - Prob. 61PCh. 31 - Prob. 62PCh. 31 - Prob. 63PCh. 31 - Prob. 64PCh. 31 - Prob. 65PCh. 31 - Prob. 66PCh. 31 - Prob. 67PCh. 31 - Prob. 68PCh. 31 - Prob. 69PCh. 31 - Prob. 70PCh. 31 - Prob. 71PCh. 31 - Prob. 72PCh. 31 - Prob. 73PCh. 31 - Prob. 74PCh. 31 - Prob. 75PCh. 31 - Prob. 76PCh. 31 - Prob. 77PCh. 31 - Prob. 78PCh. 31 - Prob. 79PCh. 31 - Prob. 80PCh. 31 - Prob. 81PCh. 31 - Prob. 82PCh. 31 - Prob. 83PCh. 31 - Prob. 84P
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- 4. (a) Show that the thickness x 1/2 of an absorber required to reduce the intensity of a beam of radiation by a factor of 2 is given by x 1/2 = 0.693/µ. (b) Find the absorber thickness needed to produce an intensity reduction of a factor of 10. (u = linear attenuation coefficient)arrow_forwardWhat is the energy in joules of an x-ray photon with wavelength 1.0e-10 m? Convert the energy to electron volts. If more penetrating x-rays are desired, should the wavelength be increased or decreased? Should the frequency be increased or decreasearrow_forwardiv) Radiations are emitted by a blackbody at 1232 ℃ peaking at wavelength of 5032 Å. Find the wavelength at which maximum intensity is observed, when the temperature of the body is increased by 1032 ℃.arrow_forward
- Suppose that the microwave radiation has a wavelength of 11.6 cm. How many photons are required to heat 265 mL of coffee from 25.0 degrees Celcius to 62.0 degrees Celcius? Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 J/(g.K), as water over this temperature range.arrow_forwardThe characteristic red color of blood is due to the very strong absorption of light at a wavelength of 420 nm. Calculate the frequency and the energy of a photon with wavelength of 420 nm.arrow_forward(a) A certain X-ray photon has a wavelength of 18 nm. Calculate the frequency (υ) of this type of radiation. The speed of light, c = 2.998 x 108 m/s (b) Do you expect the frequency of photon of blue color light to be greater than, less than, or the same as the frequency of this X-ray photon? Explain your reasoning.arrow_forward
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