Physics
WAEC 2020
Which of the following statements about photoelectrons is correct?
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A.
A faint green light produces photoelectrons with less kinetic energy than a bright red light
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B.
A red light releases a smaller number of electrons than a green light
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C.
A faint green light produces photoelectrons with greater kinetic energy than a bright red light
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D.
A red light produces more photoelectrons than a green light
Correct Answer: Option B
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