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Concept explainers
(a)
To Calculate: The maximum kinetic energy of the photoelectrons (in electron volts).
(a)
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Answer to Problem 47A
Kinetic energy in electron volts is
Explanation of Solution
Given data:
Formula used:
where q is the charge on an electron and
Calculation:
Kinetic energy is calculated as:
Conclusion:
Kinetic energy in electron volts is
(b)
To Calculate: The maximum kinetic energy of the photoelectrons (in joules).
(b)
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Answer to Problem 47A
Kinetic energy in joules is
Explanation of Solution
Given data:
Calculation:
Since,
Kinetic energy in joules is calculated as:
Conclusion:
Kinetic energy in joules is
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Glencoe Physics: Principles and Problems, Student Edition
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