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22 May, 00:48

A hydrogen atom in the ground state absorbs a photon of wavelength 95.0 nm. What energy level does the electron reach?

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  1. 22 May, 00:56
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    The equation to be used here is expressed as:

    E = hc/λ

    where E is the energy, h is the Planck's constant, c is the speed of light and λ is the wavelength.

    E = (6.63 * 10^-34) (3 * 10^8) / 95 x 10^-9

    E = 2.094 * 10^-18 J
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