Published by:
CGP EDU Academic Team
Published on: August 11, 2026
For a certain metal, when monochromatic light of wavelength 
is incident, the stopping potential for photoelectrons is 
. When the same metal is illuminated by light of wavelength 
, then the stopping potential becomes 
. The threshold wavelength for photoelectric emission for the given metal is 
. The value of 
is 
.
Text Solution
Verified by ExpertsThe correct answer is:
B
…(i)
… (ii)
──────────────────────────────────────────────────────────────────────────────────────────
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 dimensional formula of permittivity of vacuum and electric field) is . The value of .
The diameter of a wire measured by a screw gauge of least count 0.001 cm is 0.08 cm . The length me…
The velocity of a particle is given as . The magnitude of acceleration at point is .
The position of an object having mass 0.1 kg as a function of time is given as
. At , which of t…
A planet ( ) is moving around the star of mass 2 M in the orbit of radius R . Another planet ( ) …
A particle is rotating in a circular path and at any instant its motion can be described as . The …