In a photo electric experiment, a metal surface is illuminated by a light of wavelength λ which is just sufficient to cause photo electric emission. If metal surface is illuminated by a light of wavelength λ2, the stopping potential will be
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
hc4cλ
b
hc2cλ
c
2hccλ
d
hccλ
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
If ϕ be the work function of the metal surface, then hcλ=ϕIn the second case, hcλ/2=ϕ+eV0⇒V0=hceλ