COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 26, Problem 96QAP
To determine
To prove:
Bohr's hypothesis of the quantization of
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1-Which of the following are consistent with the wave-like behavior of light?
.Line Spectra
• Blackbody Radiation
• Refraction
• Diffraction
• The Photoelectric Effect
2-What is the value of c?
0 3.00 × 108 J-s
0 6.636 × 10-34 J-s
0 3.00 × 108 m/s
0 6.02 × 1023 m/s
3-Which of the following are consistent with the wave-like behavior of light?
• Blackbody Radiation
• Line Spectra
• Diffraction
• Refraction
• The Photoelectric Effect
4-What is the correct value for Planck's constant?
0 3.00 × 108 J-s
• 6.02 × 1023 m/s
0 3.00 x 108 m/s
0 6.626 × 10-34 J-s
5-Which regions of the electromagnetic spectrum are higher in frequency than microwaves? [Select all that apply.]
• Visible
.Infrared
•X-Rays
• Ultraviolet
Gamma Rays
•Radio
Problems
• A beam of light with intensity of 3mW and a wavelength of 742 nm is
striking a solar cell. Estimate the number of photons incident on the
cell.
• If the dark saturation current of a solar cell is 1.7X10-8 A/m2, the cell
temperature is 27 °C, and the short-circuit current density is 250
A/m2, Vmax = 0.526 V. Calculate the open-circuit voltage, Voci current
density at maximum power, Imax; maximum power, Pmaxi and
maximum efficiency, nmax: When the available solar radiation is 820
W/m2
• Which among the following is a key process adopted for the laser beam
formation as it undergoes the light amplification?
A. spontaneous Emission,
B. stimulated Emission,
C. both A and B,
D. none of the above.
• In Stimulated Emission, which among the following parameters of generated
photon is/are similar to the photon of incident wave?
A. phase,
B. frequency,
C. polarization & direction of travel,
D. all of the above.
• In a LASER structure, the existence of standing waves is possible at
frequencies for which the distance between the mirrors is an integral number of
A. λ/2,
2/4,
2/6,
D. 1/8.
В.
C. A/6,
С.
Chapter 26 Solutions
COLLEGE PHYSICS
Ch. 26 - Prob. 1QAPCh. 26 - Prob. 2QAPCh. 26 - Prob. 3QAPCh. 26 - Prob. 4QAPCh. 26 - Prob. 5QAPCh. 26 - Prob. 6QAPCh. 26 - Prob. 7QAPCh. 26 - Prob. 8QAPCh. 26 - Prob. 9QAPCh. 26 - Prob. 10QAP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Sun 0.5 1.0 1.5 Wavelength in micrometers 0.1 2.0 Figure 1-2 Q2 Using Figure 1-2, answer/complete the following: • In Figure 1-2, what three regions of the EM spectrum are included? Identify the wavelength at which the Sun emits the most energy: dmax intensity Radiation intensity-arrow_forwardProblems • A beam of light with intensity of 3mW and a wavelength of 742 nm is striking a solar cell. Estimate the number of photons incident on the cell. • If the dark saturation current of a solar cell is 1.7X10-8 A/m², the cell temperature is 27 °C, and the short-circuit current density is 250 A/m?, Vmax = 0.526 V. Calculate the open-circuit voltage, Voci current power, maximumlmax; power,maximunfatdensity radiationsolar availablethe Whennmax.efficiency,maximum W/m? and 820 isarrow_forward•19 O Figure 39-28a shows the energy-level diagram for a fi- nite, one-dimensional energy well that contains an electron. The nonquantized region begins at E= 450.0 eV. Figure 39-28b gives the absorption spectrum of the electron when it is in the ground state-it can absorb at the indicated wavelengths: A=14.588 nm and Ag = 4.8437 nm and for any wavelength less than A, = 2.9108 nm. What is the energy of the first excited state? %3D - Nonquantized E4 Es E2 (b) (a) Energyarrow_forward
- • Which of the following postulates of the Bohr model led to the quantization of energy of the hydrogen atom? A- The electron goes around the nucleus in circular orbits. B- The angular momentum of the electron can only be an integral multiple of h/2a. C- The magnitude of the linear momentum of the electron is quantized. D- Quantization of energy is itself a postulate of the Bohr model.A. Electrons, • The Bohr model of atoms A- assumes that the angular momentum of electrons is quantized. B- uses Einstein's photoelectric equation. C- predicts continuous emission spectra for atoms. D- predicts the same emission spectra for all types of atoms. • The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy? R= 2 =1- %3D IV A-I A-I В-П C- III D- IV • The Bohr model of an atom A- assumes that the angular momentum of electrons is quantised. B- uses Einstein's photoelectric equation. C- predicts continuous…arrow_forward• The K-shell ionization energy of iron is 8500 eV, and its L-shellionization energy is 2125 eV. What is the wavelength of Ka X-raysemitted by iron?arrow_forward• An electron drops from the L shell to the K shell and gives off anX-ray with a wavelength of 0.0279 nm. What is the atomic number of this atom?arrow_forward
- • Using the Bohr model, estimate the energy of a Ka X-ray emittedby lead 1Z = 822arrow_forwardSEATWORK 1 • Using the periodic table of elements. Determine the atomic number and predict the name of element and element symbol from the given number of electrons. Number of Electrons Atomic Number Element name Element Symbol 29 30 19 14 26 LET US TRY THIS Fill in what is missing in the Zapen table. Element (p+) (e-) (nº) Symbol Mg 12 24 Al 13 14 16 32 SEATWORK 2 Element Z A (p+) (e-) (nº) Symbol Са 20 40 9. 10arrow_forward• Calculate the number of allowed quantum levels for a preten inside and momentum between 0.2x1024 kgms and Ixlo" kg ms' a nucleus has radiisr: 0.9x10 14 -22arrow_forward
- (b) According to Bohr's atomic model, a one-electron system is described by the atomic number Z and the speed vn of the electron at a radius m in the n-th quantum orbit: Z.e² 1 h² €0 Vn = 2.h.Eon rn •N² π ● me e². Z me (i) Calculate the radius and the velocity for the first quantum orbit of the single ionised helium atom. (ii) Calculate the value for the velocity uncertainty, Avx, of the electron in the singly ionised helium atom results, if a spatial uncertainty Ax of the electron is assumed to be the diameter of the first quantum orbit. (iii) Explain the relationship between simultaneous measurements of Bohr's orbit radius and the orbit speed on the first quantum orbit. ●arrow_forward3. Using the average speed of a gas, (8RT?MW)1/2, determine the average de Broglie wavelength for an He atom at 25 °C and at 500 °C.How fast would the He atom need to travel in order to have the same linear momentum as a 500 nm photon?arrow_forward•25 Go The two-dimensional, infi- nite corral of Fig. 39-31 is square, with edge length L = 150 pm. A square probe is centered at xy coordinates (0.200L, 0.800L) and has an x width of 5.00 pm and a y width of 5.00 pm. What is the probability of detection if the electron is in the E13 energy state? %3D Probe x- Finure 39-31 Problem 25.arrow_forward
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