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Question
According to the Einstein’s model, stopping potential Vo for a metal having work function ϕ0 is given by ______.
Options
`"V"_0 = ("h"/"e")nu - phi_0/"e"`
`"V"_0 = ("h"/"e")nu - 2phi_0/"e"`
`"V"_0 = ("h"/"e")nu + 2phi_0/"e"`
`"V"_0 = ("h"/"e")nu + phi_0/"e"`
MCQ
Fill in the Blanks
Solution
According to the Einstein’s model, stopping potential Vo for a metal having work function ϕ0 is given by `underline("V"_0 = ("h"/"e")nu - phi_0/"e")`.
Explanation:
eV0 = Kmax
Kmax = hν - ϕ0
eV0 = hν - ϕ0
V0 = `("h"/"e")nu - phi_0/"e"`
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