PracticeMedium
Q.The stopping potential required to stop photoelectrons emitted by light of wavelength 4000 Å is 1.1 V. When wavelength is changed to 2500 Å, the new stopping potential is
a
2.5 V
b
3.8 V
c
4.9 V
d
5.1 V
Correct Answer: Option B
The correct solution involves applying the fundamental concept to derive the final value step by step...