Physics of Everyday Phenomena
9th Edition
ISBN: 9781259894008
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
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Chapter 18, Problem 7E
To determine
The frequency of the X-rays.
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What is the minimum wavelength in m of the x-ray photons from a 140 kV x-ray tube?
(h = 6.63x10-34J·s, 1 eV = 1.6x10-19 J, c = 3.0x108 m/s
What is the frequency in Hertz of an X-ray with wavelength (9.00x10^-2) nm? (Give
your answer to 3 sf).
Note: Your answer is assumed to be reduced to the highest power possible.
Your Answer:
x10
Answer
energy of a photon of wavelength 3.65^ * 10^ -6 m .
Chapter 18 Solutions
Physics of Everyday Phenomena
Ch. 18 - Prob. 1CQCh. 18 - Prob. 2CQCh. 18 - Prob. 3CQCh. 18 - Prob. 4CQCh. 18 - Prob. 5CQCh. 18 - Prob. 6CQCh. 18 - Prob. 7CQCh. 18 - Prob. 8CQCh. 18 - Prob. 9CQCh. 18 - Prob. 10CQ
Ch. 18 - Prob. 11CQCh. 18 - Prob. 12CQCh. 18 - Prob. 13CQCh. 18 - Prob. 14CQCh. 18 - Prob. 15CQCh. 18 - Prob. 16CQCh. 18 - Prob. 17CQCh. 18 - Prob. 18CQCh. 18 - Prob. 19CQCh. 18 - Prob. 20CQCh. 18 - Prob. 21CQCh. 18 - Prob. 22CQCh. 18 - Prob. 23CQCh. 18 - Prob. 24CQCh. 18 - Prob. 25CQCh. 18 - Prob. 26CQCh. 18 - Prob. 27CQCh. 18 - Prob. 28CQCh. 18 - Prob. 29CQCh. 18 - Prob. 30CQCh. 18 - Prob. 31CQCh. 18 - Prob. 32CQCh. 18 - Prob. 33CQCh. 18 - Prob. 34CQCh. 18 - Prob. 35CQCh. 18 - Prob. 1ECh. 18 - Prob. 2ECh. 18 - If 112 g of silicon (Si) react completely with 64...Ch. 18 - Prob. 4ECh. 18 - Prob. 5ECh. 18 - How many electrons would be required to produce 12...Ch. 18 - Prob. 7ECh. 18 - Prob. 8ECh. 18 - Prob. 9ECh. 18 - Prob. 10ECh. 18 - Prob. 11ECh. 18 - Prob. 12ECh. 18 - An electron beam in a cathode-ray tube passes...Ch. 18 - Prob. 2SPCh. 18 - Prob. 3SPCh. 18 - Prob. 4SP
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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_forward(a) A -ray photon has a momentum of 8.001021kgm/s. What is its wavelength? (b) Calculate its energy in MeV.arrow_forwardAn x- ray photon has a wavelength of 6.00x10–10 m (e) What is its energy in benzene (n = 1.501) in joules?arrow_forward
- An X-ray photon with a wavelength of 0.999 nmnm strikes a surface. The emitted electron has a kinetic energy of 990 eV. What is the binding energy of the electron in kJ/molkJ/mol? [Note that KEKE = 12mv212mv2 and 1 electron volt (eVeV) = 1.602×10−19J1.602×10−19J.] Express your answer using three significant figures.arrow_forwardPhotons of a certain infrared light have an energy of 1.33 * 10-19 J. (a) What is the frequency of this IR light? =______Hz(b) Use λ = c/f to calculate its wavelength in nanometers. =_____nmarrow_forwardBy what rate a photon emitted from a sodium vapor lamp? Assume that the lamp's light is monochromatic and of wavelength 589 nm? Answer : 1.5*10^20 s^-1arrow_forward
- 15.(a)What is the frequency of an x-ray photon whose momentum is 1.1x 1023 kg m/s? (b) How much energy must a photon have if it is to have the momentum of a 10-MeV proton?arrow_forwardThe energy of a photon is 52.6 eV. What is the wavelength in of the photon? Assume 3 sig figs. 1nm = 10-⁹ m nanometersarrow_forwardSuppose a linear accelerator (linac) creates a X-ray beam where every individual photon has an energy of 19 MeV. If 3x1010 photons are produced over 90x10-15 s, as measured through an area of 3.1 m², determine the intensity of the X-ray beam. I = B W/m²arrow_forward
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