To which region of the electromagnetic spectrum does each, Ask an Expert

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Finding the energy of the photons by using de-Broglie wavelength.

How much energy is contained in each of the following

(a) 1.78x10^22 photons with a wavelength of 2.1 A?
(b) To which region of the electromagnetic spectrum does each wavelength belong?

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Category:- Chemistry
Reference No.:- M919375

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