Stopping potential for the most energetic electron at a distance of 0.5 m for the target metal in an experiment of photoelectricity is V0 .Then in the same experimental set-up stopping potential at a distance of 1 m from the target metal will be ----
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a
V02
b
V04
c
V0
d
V08
answer is C.
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Detailed Solution
Stopping potencial V0=1e(hv−ϕ).Since hv and ϕ remains unchangedV0 remains unchanged
Stopping potential for the most energetic electron at a distance of 0.5 m for the target metal in an experiment of photoelectricity is V0 .Then in the same experimental set-up stopping potential at a distance of 1 m from the target metal will be ----