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gwendallinesikes
22.10.2019 •
Chemistry
The wavelength of a certain beam of light was .
calculate how much energy this light has.
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Ответ:
E = hc / λ, in which h = 6.63 * 10^-34 J.s, c = 3*10^8 m/s, and λ = 3.52*10^-7 m
So E = (6.63 * 10^-34 * 3 * 10^8) / 3.52 * 10^-7
E = 1.989 * 10^-25 / 3.52 * 10^-7
E ≈ 5.65 J
Hope this Helps! :)
Ответ:
A charged object creates an electric field - an alteration of the space or field in the region that surrounds it. Other charges in that field would feel the unusual alteration of the space. Whether a charged object enters that space or not, the electric field exists.