1
WB JEE 2016
MCQ (More than One Correct Answer)
+2
-0
Change Language
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
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12