1
WB JEE 2019
MCQ (More than One Correct Answer)
+2
-0
Electrons are emitted with kinetic energy T from a metal plate by an irradiation of light of intensity J and frequency v. Then, which of the following will be true?
A
T $$ \propto $$ J
B
T linearly increasing with v
C
T $$ \propto $$ time of irradiation
D
Number of electrons emitted $$ \propto $$ J
2
WB JEE 2016
MCQ (More than One Correct Answer)
+2
-0
The distance between a light source and photoelectric cell is d. If the distance is decreased to $${d \over 2}$$, then
A
the emission of electron per second will be four times
B
maximum kinetic energy of photoelectrons will be four times
C
stopping potential will remain same
D
the emission of electrons per second will be doubled
WB JEE Subjects