4 eV is the energy of the incident photon and the work function in \[2 – McqOptions

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1.	4 eV is the energy of the incident photon and the work function in \[2eV.\] What is the stopping potential [DCE 2000; AIIMS 2004]
A.	2V
B.	4V
C.	6V
D.	\[2\sqrt{2}V\]
Answer» B. 4V

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