Atomic StructureHard
Question
The stopping potential double when the frequency of the incident light change from v to 
. Then the work function of the metal must be
. Then the work function of the metal must be Options
A.
B.hv
C.2hv
D.none of the above
Solution
hv = φ + Vs and h 
v = φ + 2Vs
⇒ φ =
v = φ + 2Vs ⇒ φ =
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