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a Calculate the wavelength and frequency of light emitted when an electron changes from n=4 to n=2 in the H atom. (1J=1s2kgm2) Wavelength=Frequency=ms1 b In

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a Calculate the wavelength and frequency of light emitted when an electron changes from n=4 to n=2 in the H atom. (1J=1s2kgm2) Wavelength=Frequency=ms1 b In what region of the spectrum is this radiation found? infrared region ultraviolet region x-rays region visible light region

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