Five elements A, B, C, D and E have work functions 1.2 eV, 2.4 eV, 3.6 eV, 4.8 eV and 6 eV respectively. If light of wavelength 4000 Å is allowed to fall on these elements, then photoelectrons are emitted by
Text Solution
Verified by ExpertsThe correct answer is:
C

Photoelectrons emits if energy of incident light > work function.
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
A beam of protons with a cross-sectional area of is moving with a velocity of . Then charge dens…
A particle of mass at rest decays into two particles of masses and , having non-zero velocities.…
An image of the sun is formed by a lens of focal length of 30 cm on the metal surface of a photoele…
When an inert gas is filled in the place vacuum in a photocell, then
A photon of 1.7 × × 10 -13 Joules is absorbed by a material under special circumstances. The correc…
The maximum velocity of an electron emitted by light of wavelength incident on the surface of a me…