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How many photons of light with a wavelength of 400 pico metere are necessary to provide 1 joule of energy ​..

How many photons of light with a wavelength of 400 pico metere are necessary to provide 1 joule of energy ​..

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
3 years ago
Answer :

the number of photons with a wavelength of 4000 pm and energy of 1 J are 2.012 * 10^16.

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