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Question
A light of wavelength '`lambda`' and intensity 'I' falls on photosensitive material. If 'N' photoelectrons are emitted, each with kinetic energy E, then ____________.
Options
`"E" prop "I", "N" prop 1/lambda`
`"E" prop 1/lambda, "N" prop "I"`
`"E" prop "I", "N" prop "I"`
`"E" prop "I", "N" prop lambda`
MCQ
Fill in the Blanks
Solution
A light of wavelength '`lambda`' and intensity 'I' falls on photosensitive material. If 'N' photoelectrons are emitted, each with kinetic energy E, then `"E" prop 1/lambda, "N" prop "I"`.
Explanation:
`"E" prop "v"`
`therefore "E" prop 1/lambda "and N" prop "I"`
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The Photoelectric Effect
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