Question

In a photoelectric effect measurement, the stopping potential
for a given metal is found to be V₀ volt when radiation of
wavelength ????₀ is used. If radiation of wavelength 2 ????₀ is
used with the same metal then the stopping potential (in
volt) will be
(a) V₀/2 (b) 2 V₀
(c) V₀ + hc/2e????₀
(d) V₀ - hc/2e????₀

Answer 1

Answer:

(b)

Explanation:

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