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Question: Answered & Verified by Expert
Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material, photoelectric current is emitted. If the frequency of light is halved and intensity is doubled, the photoelectric current becomes
PhysicsDual Nature of MatterNEET
Options:
  • A 4 times the orginal current
  • B 2 times the original current
  • C half the original current
  • D zero times the original current
Solution:
2665 Upvotes Verified Answer
The correct answer is: zero times the original current
v1=1.5v0

v2=v12=0.75v0<v0

photoelectric effect (P.E.E.) not possible.

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