Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN: 9781337553292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 41, Problem 33P
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An argon laser emits a beam of light of wavelength 4.88 × 10-7 m, the power in the beam being 100mW. How many photons per second are emitted by the laser? If the beam falls on the cesium cathode of a photocell, what photoelectric current would be observed, assuming 10% of the photons are able to eject an electron?Given that the limiting frequency v0 of cesium is 5.2 × 1014Hz, what reverse potential difference between the cell electrodes is needed to suppress the photocell current?
EM radiation of wavelength 445 nm having an intensity of 1.31 kW/m2 is incident ona 1.90 mm2area of sodium metal.(a) What is the energy incident per second?
(b)Calculate the number of photoelectrons per second ejected from the given area of sodiummetal?
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One mole of a silvery white element produces a bright purple emission having an energy of 2.86 × 105 J. What would be the corresponding wavelength of an emitted photon?
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a.1.44 × 1030 m
b.8.64 × 106 m
c.4.19 × 10–7 m
d.1.16 × 10–2 m
Which of the following statements best describes the law of multiple proportions?
Select one:
a.Different processes such as cellular respiration and combustion of fossil fuels produce carbon dioxide.
b.Carbon trapped in fossil fuels is eventually released into the atmosphere when they undergo combustion.
c.Varying degrees of combustion of fossil fuels may lead to the formation of carbon monoxide or carbon dioxide.
d.None of these.
Chapter 41 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 41.3 - Prob. 41.1QQCh. 41.3 - Prob. 41.2QQCh. 41.4 - Prob. 41.3QQCh. 41.4 - Prob. 41.4QQCh. 41.8 - Prob. 41.5QQCh. 41 - Prob. 1PCh. 41 - Prob. 2PCh. 41 - Prob. 3PCh. 41 - Prob. 4PCh. 41 - Prob. 5P
Ch. 41 - Prob. 6PCh. 41 - Prob. 7PCh. 41 - Prob. 8PCh. 41 - Prob. 9PCh. 41 - Prob. 10PCh. 41 - Prob. 11PCh. 41 - Prob. 13PCh. 41 - Prob. 14PCh. 41 - Prob. 15PCh. 41 - Prob. 16PCh. 41 - Prob. 17PCh. 41 - Prob. 18PCh. 41 - Prob. 19PCh. 41 - Prob. 20PCh. 41 - Prob. 21PCh. 41 - Prob. 23PCh. 41 - Prob. 24PCh. 41 - Prob. 25PCh. 41 - Prob. 26PCh. 41 - Prob. 27PCh. 41 - Prob. 28PCh. 41 - Prob. 29PCh. 41 - Prob. 30PCh. 41 - Prob. 31PCh. 41 - Prob. 32PCh. 41 - Prob. 33PCh. 41 - Prob. 34PCh. 41 - Prob. 35PCh. 41 - Prob. 36PCh. 41 - Prob. 37APCh. 41 - Prob. 39APCh. 41 - Prob. 40APCh. 41 - Prob. 41APCh. 41 - Prob. 42APCh. 41 - Prob. 44APCh. 41 - Prob. 45APCh. 41 - Prob. 46APCh. 41 - Prob. 47APCh. 41 - Prob. 49APCh. 41 - Prob. 50APCh. 41 - Prob. 51CPCh. 41 - Prob. 52CP
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