Question:
Calculate the energy in joule corresponding to light of wavelength 45 nm:
(Planck’s constant h = 6.63 × 10-34 Js; speed of light c = 3 × 108 ms-1)
Calculate the energy in joule corresponding to light of wavelength 45 nm:
(Planck’s constant h = 6.63 × 10-34 Js; speed of light c = 3 × 108 ms-1)
(Planck’s constant h = 6.63 × 10-34 Js; speed of light c = 3 × 108 ms-1)
Updated On: Apr 20, 2026
- 6.67 × 1011
- 4.42 × 10-15
- 4.42 × 10-18
- 6.67 × 1015
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The Correct Option is C
Solution and Explanation
The correct option (C): 4.42 × 10-18.
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