When ultraviolet light of wavelength 100 nm is incident upon silver plate, a potential of 7.7 V is required to stop the photoelectrons from reaching the collector plate. How much potential will be required to stop the photoelectrons when light of wavelength 200 nm is incident upon silver?
Text Solution
Verified by ExpertsThe correct answer is:
A
Here, 
Similarly, 
Now, 
and 
Hence, 
and 
Solving, we get 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The number of photoelectrons emitted per second from a metal surface increases when
If intensity of incident light is increased in photoelectric effect, then which of the following is…
Photoelectric effect involves conversion of
The retarding potential for having zero photoelectron current
A point source of light is used in an experiment on photoelectric effect. Which of the following cu…
(I) In the experimental set-up used for studying the photoelectric effect, a monochromatic light fr…