Light of wavelength 450 nm is incident on a metal target (work function = 1.8 eV) in
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Light of wavelength 450 nm is incident on a metal target (work function = 1.8 eV) in a phototube. What is the value of stopping potential in this case?
(h = 6.63 × 10-34J s, c = 3 × 108 m/s, 1 eV = 1.6 × 10-19 J)
a) 4.56 V
b) 0.96 V
c) 2.76 V
d) 0.56 V
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