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COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Question
Chapter 26, Problem 93QAP
To determine
Whether a photoelectron be emitted from silicon..
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Students have asked these similar questions
• 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.
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
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?
O 3.00 x 108 J-s
O 6.636 × 10-34 J-s
O 3.00 x 108 m/s
O 6.02 x 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?
O 3.00 x 108 J-s
• 6.02 × 1023 m/s
O 3.00 x 108 m/s
O 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
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
Ch. 26 - Prob. 11QAPCh. 26 - Prob. 12QAPCh. 26 - Prob. 13QAPCh. 26 - Prob. 14QAPCh. 26 - Prob. 15QAPCh. 26 - Prob. 16QAPCh. 26 - Prob. 17QAPCh. 26 - Prob. 18QAPCh. 26 - Prob. 19QAPCh. 26 - Prob. 20QAPCh. 26 - Prob. 21QAPCh. 26 - Prob. 22QAPCh. 26 - Prob. 23QAPCh. 26 - Prob. 24QAPCh. 26 - Prob. 25QAPCh. 26 - Prob. 26QAPCh. 26 - Prob. 27QAPCh. 26 - Prob. 28QAPCh. 26 - Prob. 29QAPCh. 26 - Prob. 30QAPCh. 26 - Prob. 31QAPCh. 26 - Prob. 32QAPCh. 26 - Prob. 33QAPCh. 26 - Prob. 34QAPCh. 26 - Prob. 35QAPCh. 26 - Prob. 36QAPCh. 26 - Prob. 37QAPCh. 26 - Prob. 38QAPCh. 26 - Prob. 39QAPCh. 26 - Prob. 40QAPCh. 26 - Prob. 41QAPCh. 26 - Prob. 42QAPCh. 26 - Prob. 43QAPCh. 26 - Prob. 44QAPCh. 26 - Prob. 45QAPCh. 26 - Prob. 46QAPCh. 26 - Prob. 47QAPCh. 26 - Prob. 48QAPCh. 26 - Prob. 49QAPCh. 26 - Prob. 50QAPCh. 26 - Prob. 51QAPCh. 26 - Prob. 52QAPCh. 26 - Prob. 53QAPCh. 26 - Prob. 54QAPCh. 26 - Prob. 55QAPCh. 26 - Prob. 56QAPCh. 26 - Prob. 57QAPCh. 26 - Prob. 58QAPCh. 26 - Prob. 59QAPCh. 26 - Prob. 60QAPCh. 26 - Prob. 61QAPCh. 26 - Prob. 62QAPCh. 26 - Prob. 63QAPCh. 26 - Prob. 64QAPCh. 26 - Prob. 65QAPCh. 26 - Prob. 66QAPCh. 26 - Prob. 67QAPCh. 26 - Prob. 68QAPCh. 26 - Prob. 69QAPCh. 26 - Prob. 70QAPCh. 26 - Prob. 71QAPCh. 26 - Prob. 72QAPCh. 26 - Prob. 73QAPCh. 26 - Prob. 74QAPCh. 26 - Prob. 75QAPCh. 26 - Prob. 76QAPCh. 26 - Prob. 77QAPCh. 26 - Prob. 78QAPCh. 26 - Prob. 79QAPCh. 26 - Prob. 80QAPCh. 26 - Prob. 81QAPCh. 26 - Prob. 82QAPCh. 26 - Prob. 83QAPCh. 26 - Prob. 84QAPCh. 26 - Prob. 85QAPCh. 26 - Prob. 86QAPCh. 26 - Prob. 87QAPCh. 26 - Prob. 88QAPCh. 26 - Prob. 89QAPCh. 26 - Prob. 90QAPCh. 26 - Prob. 91QAPCh. 26 - Prob. 92QAPCh. 26 - Prob. 93QAPCh. 26 - Prob. 94QAPCh. 26 - Prob. 95QAPCh. 26 - Prob. 96QAPCh. 26 - Prob. 97QAPCh. 26 - Prob. 98QAPCh. 26 - Prob. 99QAPCh. 26 - Prob. 100QAPCh. 26 - Prob. 101QAPCh. 26 - Prob. 102QAPCh. 26 - Prob. 103QAPCh. 26 - Prob. 104QAP
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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
- Which aspects of the photoelectric effect cannot be explained without photons? Which can be explained without photons? Are the latter inconsistent with the existence of photons?arrow_forwardSuppose the velocity of an electron in an atom is known to an accuracy of 2.0103 m/s (reasonably accurate compared with orbital velocities). What is the electron's minimum uncertainty in position, and how does this compare with the approximate 0.1-nm size of the atom?arrow_forwardUnreasonable Results A student in a physics laboratory observes a hydrogen spectrum with a diffraction grating for the purpose of measuring the wavelengths of the emitted radiation. In the spectrum, she observes a yellow line and finds its wavelength to be 589 nm. (a) Assuming this is part of the Balmer series, determine ni, the principal quantum number of the initial state. (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?arrow_forward
- Construct Your Own Problem Consider the Doppler-shifted hydrogen spectrum received from a rapidly receding galaxy. Construct a problem in which you calculate the energies of selected spectral lines in the Balmer series and examine whether they can be described with a formula like that in the equation 1=R(1nf21ni2), but with a different constant R.arrow_forwardAn x ray tube has an applied voltage of 100 kV. (a) What is the most energetic x-ray photon it can produce? Express your answer in electron volts and joules. (b) Find the wavelength of such an X—ray.arrow_forwardIntegrated Concepts A certain heat lamp emits 200 W of mostly IR radiation averaging 1500 nm in wavelength. (a) What is the average photon energy in joules? (b) How many of these photons are required to increase the temperature of a person's shoulder by 2.0°C, assuming the affected mass is 4.0 kg with a specific heat of 0.83kcal/kgC. Also assume no other significant heat transfer. (c) How long does this take?arrow_forward
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- 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/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_forward2. When a certain surface is illuminated with light of different wavelengths the following stupping poleritials are observed. Wavelength (nm) Potentlal (V) 366 1.48 405 1.15 436 0.93 492 0.62 546 0.36 579 0.24 Determine by plotting appropriate graphs using the wavelength and potentlal: a) Photoelectric work functlon of the materlal by using the photoelectric equatlon that was given in class. b) Planck's constant given e=1.6x10 Pc.arrow_forwardA light source of wavelength λ illuminates a metal and ejects photoelectrons with a maximum kinetic energyof 1.00 eV. A second light source with half the wavelength of the first ejects photoelectrons with a maximumkinetic energy of 4.00 eV.• Determine the work function of the metalarrow_forward
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