A photocell stops emission if it is maintained at 2V negative potentia – McqOptions

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1.	A photocell stops emission if it is maintained at 2V negative potential. The energy of most energetic photoelectron is [JIPMER 1999]
A.	2eV
B.	2J
C.	2kJ
D.	2keV
Answer» B. 2J

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