Search any question & find its solution
Question:
Answered & Verified by Expert
A photoelectric cell is illuminated by a point source of light away. When the source is shifted to then
Options:
Solution:
2245 Upvotes
Verified Answer
The correct answer is:
Number of electrons emitted is a quarter of the initial number
Intensity of light source is
When distance is doubled, intensity becomes one-fourth.
As number of photoelectrons intensity, so number of photoelectrons is quarter of the initial number.
When distance is doubled, intensity becomes one-fourth.
As number of photoelectrons intensity, so number of photoelectrons is quarter of the initial number.
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.