![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-black.png)
![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-white.png)
McqMate
Q. |
For photoelectric effect to take place, the metal used as the cathode should have – |
A. | high melting point |
B. | low melting point |
C. | low work function |
D. | low resistance |
Answer» C. low work function | |
Explanation: The photoelectric effect is the propensity of high-energy electromagnetic radiation to eject electrons from a given material. The photoelectric effect has been utilized in devices called photocells, consisting of two electrodes in a sealed vacuum tube. |
View all MCQs in
PhysicsNo comments yet