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13-05-2022
Chemistry

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A photon of light has a wavelength of 0.050 cm. Calculate its energy.

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okikiolu3 okikiolu3

13-05-2022

Answer:

3.96×10^−22J

Explanation:

First find the frequency of the photon from the equation

c=fλ

∴f=c/λ

=3×10⁸m/s / 0.050×10^−2m

=6×10¹¹Hz.

Energy of such photons is quantized and given by

E=hf

=(6.6×10^−34)(6×10¹¹)

=3.96×10^−22J

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