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Q. No.Calculate the energy corresponding to light of wavelength 45 nm:
(Planck's constant h = 6.63 × 10–34 Js:
speed of light c = 3 × 108 ms–1)
1. 6.67 x 1015 J
2. 6.67 x 1011 J
3. 4.42 x 10-15 J
4. 4.42 x 10-18 J
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Subtopic: Planck's Theory |
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