In hydrogen, the transition from level 2 to level 1 has a restwavelength of 121.6 nm. Find the speed for a star in which thisline appears at wavelength 121.7 nm . Express your answer to threesignificant figures and include the appropriate units.
Find the speed for a star in which this line appears at wavelength 121.7 nm. Express your answer to three significant figures and include the appropriate units. V = µÅ Value km/s wwwwww ?
In hydrogen, the transition from level 2 to level 1 has a rest wavelength of 121.6 nm. Find the speed for a star in whic
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