Physical Universe
16th Edition
ISBN: 9780077862619
Author: KRAUSKOPF, Konrad B. (konrad Bates), Beiser, Arthur
Publisher: Mcgraw-hill Education,
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Question
Chapter 9, Problem 42MC
To determine
The de Broglie wavelength of electron.
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Students have asked these similar questions
The mass of a proton is 1.67 × 10-27 kg. If a proton has the same momentum as a photon with a wavelength of 325 nm, what is its speed?
a. 2.73 × 10-3 m/s
b. 0.819 m/s
c. 1.22 m/s
d. 2.71 × 104 m/s
A photon has an energy of E1= 1.0x10^-20 J. A second photon has twice the wavelength as the first photon. Which of the following regarding the second photon is true?
A. E2= (1/2)E1
B. E2= E1
C. E2= 2E1
D. E2= 3E1
2. A photon has a frequency of 7.50 x
1014
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 x 10-14m and a speed of
1.1 x 10° m/s. Determine the mass of this microscopic specimen.
Chapter 9 Solutions
Physical Universe
Ch. 9 - Prob. 1MCCh. 9 - Prob. 2MCCh. 9 - Prob. 3MCCh. 9 - Prob. 4MCCh. 9 - Prob. 5MCCh. 9 - Prob. 6MCCh. 9 - Prob. 7MCCh. 9 - Prob. 8MCCh. 9 - Prob. 9MCCh. 9 - Prob. 10MC
Ch. 9 - Prob. 11MCCh. 9 - Prob. 12MCCh. 9 - Prob. 13MCCh. 9 - Prob. 14MCCh. 9 - Prob. 15MCCh. 9 - Prob. 16MCCh. 9 - Prob. 17MCCh. 9 - Prob. 18MCCh. 9 - Prob. 19MCCh. 9 - Prob. 20MCCh. 9 - Prob. 21MCCh. 9 - Prob. 22MCCh. 9 - Prob. 23MCCh. 9 - Prob. 24MCCh. 9 - Prob. 25MCCh. 9 - Prob. 26MCCh. 9 - Prob. 27MCCh. 9 - Prob. 28MCCh. 9 - Prob. 29MCCh. 9 - Prob. 30MCCh. 9 - Prob. 31MCCh. 9 - Prob. 32MCCh. 9 - Prob. 33MCCh. 9 - Prob. 34MCCh. 9 - Prob. 35MCCh. 9 - Prob. 36MCCh. 9 - Prob. 37MCCh. 9 - Prob. 38MCCh. 9 - Prob. 39MCCh. 9 - Prob. 40MCCh. 9 - Prob. 41MCCh. 9 - Prob. 42MCCh. 9 - Prob. 1ECh. 9 - Prob. 2ECh. 9 - Prob. 3ECh. 9 - Prob. 4ECh. 9 - Prob. 5ECh. 9 - Prob. 6ECh. 9 - Prob. 7ECh. 9 - Prob. 8ECh. 9 - Prob. 9ECh. 9 - Prob. 10ECh. 9 - Prob. 11ECh. 9 - Prob. 12ECh. 9 - Prob. 13ECh. 9 - Prob. 14ECh. 9 - Prob. 15ECh. 9 - Prob. 16ECh. 9 - Prob. 17ECh. 9 - Prob. 18ECh. 9 - Prob. 19ECh. 9 - Prob. 20ECh. 9 - Prob. 21ECh. 9 - Prob. 22ECh. 9 - Prob. 23ECh. 9 - Prob. 24ECh. 9 - Prob. 25ECh. 9 - Prob. 26ECh. 9 - Prob. 27ECh. 9 - Prob. 28ECh. 9 - Prob. 29ECh. 9 - Prob. 30ECh. 9 - Prob. 31ECh. 9 - Prob. 32ECh. 9 - Prob. 33ECh. 9 - Prob. 34ECh. 9 - Prob. 35ECh. 9 - Prob. 36ECh. 9 - Prob. 37ECh. 9 - Prob. 38ECh. 9 - Prob. 39ECh. 9 - Prob. 40ECh. 9 - Prob. 41ECh. 9 - Prob. 42ECh. 9 - Prob. 43ECh. 9 - Prob. 44ECh. 9 - Prob. 45ECh. 9 - Prob. 46ECh. 9 - Prob. 47ECh. 9 - Prob. 48ECh. 9 - Prob. 49ECh. 9 - Prob. 50ECh. 9 - Prob. 51ECh. 9 - Prob. 52ECh. 9 - Prob. 53ECh. 9 - Prob. 54ECh. 9 - Prob. 55ECh. 9 - Prob. 56ECh. 9 - Prob. 57ECh. 9 - Prob. 58ECh. 9 - Prob. 59ECh. 9 - Prob. 60ECh. 9 - Prob. 61ECh. 9 - Prob. 62ECh. 9 - Under what circumstances do electrons exhibit...
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- (a) Calculate the wavelength of a photon that has the same momentum as a proton moving at 1.00% of the speed of light. (b) What is the energy of the photon in MeV? (c) What is the kinetic energy of the proton in MeV?arrow_forwardFigure P24.52 shows portions of the energy-level diagrams of the helium and neon atoms. An electrical discharge excites the He atom from its ground state (arbitrarily assigned the energy E1 = 0) to its excited state of 20.61 eV. The excited He atom collides with a Ne atom in its ground state and excites this atom to the state at 20.66 eV. Lasing action takes place for electron transitions from E3 to E2 in the Ne atoms. From the data in the figure, show that the wavelength of the red HeNe laser light is approximately 633 nm. Figure P24.52arrow_forward(a) Calculate the velocity of an electron that has a wavelength of 1.00 m. (b) Through what voltage must the electron be accelerated to have this velocity?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(a) What is the momentum of a 0.0100-nm-wavelength photon that could detect details of an atom? (b) What is its energy in MeV?arrow_forwardA 1210 kg car is moving at 15.0 m/s. Which of these equals its de Broglie wavelength? A. 1.20*10^-29 m B. 8.21*10^-36 m C. 3.65*10^-38 m D. 5.34*10^-32 marrow_forward
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- A proton is moving with a velocity of 1.5 × 10 m/s that has an uncertainty of 7.5 x 10³ m/s. What is the minimum uncertainty in position? a. 4.21 × 10-12 n nm b. 2.10 × 10-4 nm c. 0.004 nm d. 0.386 nm e. 7.72 nmarrow_forwardA particle accelerator boosts a proton's kinetic energy so that the de Broglie wavelength of the proton is 4.2 x 10-15 m. What is the kinetic energy of the proton? A. 3.0 x 108 eV B. 4.5 x 107 eV C. 5.2 x 106 eV D. 6.2 x 103 eV E. 1.0 eVarrow_forwarda. An electron is found to a wavelength of 1 = 1.19 nm. What is the velocity of the electron? m/s b. A photon has a wavelength of A = 1.19 nm. What is the energy of the photon? Joulesarrow_forward
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