Published by:
CGP EDU Academic Team
Published on: August 23, 2026
The stopping potential for electrons emitted from a photosensitive surface illuminated by light of wavelength 
is 
. When the incident wavelength is changed to a new value, the stopping potential is 
. The new wavelength is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
From the photoelectric effect equation
so 
Subtract equation (i) from equation (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
PART-I PHYSICS
SECTION - A
Match List I with List II.
List I List II
is the time - displacement equation of a SHM, At the displacement of the particle is and it is m…
Two identical spring of spring constant ' ' are attached to a block of mass and to fixed support …
The wavelength of the photon emitted by a hydrogen atom when an electron makes a transition from t…
In a ferromagnetic material, below the curie temperature, a domain is defined as:
The point moves with a uniform speed along the circumference of a circle of radius and cover in …