NEET2014Physics-Photoelectric Effect
NEET 2014 Physics Work Function MCQ Question
Type: MCQ-numerical-Medium-Class 12
When the energy of the incident radiation is increased by 20%, the kinetic energy of the photoelectrons emitted from a metal surface increased from 0.5 eV to 0.8 eV. The work function of the metal is
A
0.65 eV
B
1.0 eV
C
1.3 eV
D
1.5 eV
Correct Answer
Option A
Detailed Explanation
Using the photoelectric equation, the work function can be calculated as the difference between the initial energy and the kinetic energy of the photoelectrons.
Found an issue with this question?