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The hydrogen Balmer line Hγ has a wavelength of 434.0 nm in the laboratory. If a quasar has a redshift of z = 2, what would you measure the wavelength of this spectrum line to be?

a.
868.0 nm

b.
434.0 nm

c.
343.0 nm

d.
1302 nm

e.
217.0 nm

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