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