Calculate the wavelength in nanometres of a quantum of light with frequency of 8 × 1 0 15 s - 1 . The given value of Planck’s constant is 6.63 × 1 0 - 34 J s . The velocity of light is 3.0 × 1 0 8 m s - 1 .

Question

Calculate the wavelength in nanometres of a quantum of light with frequency of 8 × 1 0 15 s - 1 . The given value of Planck’s constant is 6.63 × 1 0 - 34 J s . The velocity of light is 3.0 × 1 0 8 m s - 1 ., 3.2 × 1 0 7, 2.5 × 1 0 - 25, 5 × 1 0 - 18, 40

MARKS App · Accepted Answer

λ = c υ = 3 × 1 0 8 8 × 1 0 15 = 3.75 × 1 0 - 8 = 3.75 × 1 0 - 8 × 1 0 9 n m = 4 × 1 0 1 n m .

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