Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
In photoelectric effect, the number of photo-electrons emitted is proportional to
PhysicsDual Nature of MatterJIPMERJIPMER 2015
Options:
  • A velocity of incident beam
  • B frequency of incident beam
  • C intensity of incident beam
  • D work function for cathode material
Solution:
2539 Upvotes Verified Answer
The correct answer is: intensity of incident beam
By increasing the intensity of incident beam, the number of emitted photo-electrons can be increased. Hence, number of photo-electrons emitted is proportional to the intensity of the incident beam.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.