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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