Universe: Stars And Galaxies
6th Edition
ISBN: 9781319115098
Author: Roger Freedman, Robert Geller, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 5, Problem 27Q
To determine
(a)
The experiment that show light behaves as a wave.
To determine
(b)
The experiment that shows light behave as a particle.
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A. Determine the energy of a photon with a 678.0 nm wavelength.
B. Determine the wavelength of a 5.86 keV x-ray photon.
1. You have orange light with a wavelength of 615 nm.
a. What is the frequency of this light?
b. What is the energy of one photon of this light?
An incoming light beam has frequency 9.7 x 1014 Hz. (Use h= 6.626 x 10-34 J.s)
a. How much energy in Joules does it have?b. If the photons of this light beam are absorbed by a free electron, how much kinetic energy and speed will the free electron have?
Chapter 5 Solutions
Universe: Stars And Galaxies
Ch. 5 - Prob. 1QCh. 5 - Prob. 2QCh. 5 - Prob. 3QCh. 5 - Prob. 4QCh. 5 - Prob. 5QCh. 5 - Prob. 6QCh. 5 - Prob. 7QCh. 5 - Prob. 8QCh. 5 - Prob. 9QCh. 5 - Prob. 10Q
Ch. 5 - Prob. 11QCh. 5 - Prob. 12QCh. 5 - Prob. 13QCh. 5 - Prob. 14QCh. 5 - Prob. 15QCh. 5 - Prob. 16QCh. 5 - Prob. 17QCh. 5 - Prob. 18QCh. 5 - Prob. 19QCh. 5 - Prob. 20QCh. 5 - Prob. 21QCh. 5 - Prob. 22QCh. 5 - Prob. 23QCh. 5 - Prob. 24QCh. 5 - Prob. 25QCh. 5 - Prob. 26QCh. 5 - Prob. 27QCh. 5 - Prob. 28QCh. 5 - Prob. 29QCh. 5 - Prob. 30QCh. 5 - Prob. 31QCh. 5 - Prob. 32QCh. 5 - Prob. 33QCh. 5 - Prob. 34QCh. 5 - Prob. 35QCh. 5 - Prob. 36QCh. 5 - Prob. 37QCh. 5 - Prob. 38QCh. 5 - Prob. 39QCh. 5 - Prob. 40QCh. 5 - Prob. 41QCh. 5 - Prob. 42QCh. 5 - Prob. 43QCh. 5 - Prob. 44QCh. 5 - Prob. 45QCh. 5 - Prob. 46QCh. 5 - Prob. 47QCh. 5 - Prob. 48QCh. 5 - Prob. 49QCh. 5 - Prob. 50QCh. 5 - Prob. 51Q
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- (a) Calculate the momentum of a 2.5-pm photon. (b) Find the velocity of an electron with the same momentum. (c) What is the kinetic energy of the electron, and how does it compare to that of the photon?arrow_forwardAn X-ray tube accelerates an electron with an applied voltage of 50 kV toward a metal target, (a) What is the shortest-wavelength X-ray radiation generated at the target? (b) Calculate the photon energy in eV. (c) Explain the relationship of the photon energy to the applied voltage.arrow_forward(a) What is the shortest-wavelength x-ray radiation that can be generated in an x-ray tube with an applied voltage of 50.0 kV? (b) Calculate the photon energy in eV. (c) Explain the relationship of the photon energy to the applied voltage.arrow_forward
- 1. An incoming light beam has frequency 9.7 x 1014 Hz. (Use h=6.626 x 10-34 J.s) a.) How much energy in Joules does it have? b.) If the photons of this light beam are absorbed by a free electron, how much kinetic energy and speed will the free electron have?arrow_forwardA photon has a frequency of 7.50 x 10141014 Hz, a. Determine the energy and the momentum of this photon. b. If all the energy of this photon were to be converted to mass, determine the equivalent mass for the particle. c. A microscopic specimen has a wavelength of 8.2×10−14m8.2×10-14m and a speed of 1.1×105 m/s1.1×105 m/s. Determine the mass of this microscopic specimenarrow_forwardA photon of light has a frequency of 5.00 x 1014 Hz. If the frequency of the photon was doubled then which of these would happen to the energy of this photon? a. it would become one-fourth as much b. it would become half as much c. it would double d. it would quadruple e. it would triplearrow_forward
- In an experiment, after a metal surface is illuminated with a laser, it starts to emit a green monochromatic light having a frequency of 5.66 x 1014 Hz. a. What is the energy of the emitted light photons? b. Explain the experimental observations in terms of quantum theory c. Is it possible to shift the emission from green to blue by increasing the intensity of the artificial light? Explain your answer. Please answer type in word don't image upload thank you.arrow_forwardSuppose a photon has a momentum of 5.4 × 10-29 kg⋅m/s. A. What is the wavelength of such a photon in micrometers? B. Find its energy in electron volts.arrow_forward5. Radio station Davao City, broadcasts on a carrier frequency of 1020 kHz. b. What is the energy, in electron volts, of an X-ray photon v 10-10 m?arrow_forward
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