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Photons of wavelength
detailed solution
Correct option is C
Wavelength λ=660 nm=660×10−9 m Power P=60 watts Planks constant h=6.62×10−34 J Velocity of light C=3×108 ms-1 Number of photon per second nt=? nt=pλhc (∵P=nthcλ) =60×660×10−96.62×10−34×3×108 =2×1020Talk to our academic expert!
Similar Questions
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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