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The photo electric threshold wavelength for a metal is
detailed solution
Correct option is C
Wavelength λ=2750 A∘ Energy of the photon E=12400λev =12,4002750ev =4.5 evTalk to our academic expert!
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Figure shows the stopping potential (V)versus frequency (v) graph for photoelectric effect in a metal. From the graph, The Planck's constant (h) is . The value of y is
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