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Question
When the work function of a metal increases, maximum kinetic energy of emitted photoelectrons ____________.
Options
decreases
increases
first decreases and then increases
remains same
MCQ
Fill in the Blanks
Solution
When the work function of a metal increases, maximum kinetic energy of emitted photoelectrons decreases.
Explanation:
(K.E.)max = hv - w0
Hence if w0 increase (K.E.)max Decreases.
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The Photoelectric Effect
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