Calculate the energy in joule corresponding to light of wavelength 45 nm. (Planck's constant h = 6.63 × 1 0 - 34 Js; speed of light c = 3 × 1 0 8 m s - 1 )

Question

Calculate the energy in joule corresponding to light of wavelength 45 nm. (Planck's constant h = 6.63 × 1 0 - 34 Js; speed of light c = 3 × 1 0 8 m s - 1 ), 6.67 × 1 0 11, 4.42 × 1 0 - 15, 6.67 × 1 0 15, 4.42 × 1 0 - 18

MARKS App · Accepted Answer

E = h c λ = 6.63 × 1 0 - 34 × 3 × 1 0 8 45 × 1 0 - 9 E = 4.42 × 2 0 - 18 J

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