Geometrical OpticsHard
Question
The value of Planck′s constant is 6.63 × 10-34 J-s.The speed of light is 3 × 1017 nm s-1. Which value is closest to the wavelength in nanometer of aquantum of light with frequency of 6 × 1015 s-1 ?
Options
A.75
B.10
C.25
D.50
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