Constants | Periodic Table PartA Imagine that you have obtained spectra for seve
ID: 290163 • Letter: C
Question
Constants | Periodic Table PartA Imagine that you have obtained spectra for several galaxies and have measured the observed wavelength of a hydrogen emission line that has a rest wavelength of 656.3 nanometers. Here are your results: Galaxy 1: Observed wavelength of hydrogen line is 660.0 nanometers. Galaxy 2: Observed wavelength of hydrogen line is 664.4 nanometers. Galaxy 3: Observed wavelength of hydrogen line is 680.2 nanometers. Calculate the redshift, z, for each of these galaxies. Express your answers using two signlficant figures. Enter your answers numerically separated by commas 42. Zgalaxy 1 2galaxy 2, Zgalaxy 3 Submit Request Answer Part B This question will be shown after you complete previous question(s). Part C This question will be shown after you complete previous question(s). Part D This question will be shown after you complete previous question(s).Explanation / Answer
HYDROGEN rest wavelenth is fixed for all the galaxy then red shift will be
for galaxy 1
z= observed wavelength - emitted wavelength /emitted wavelength
z= 660-656.3/656.3 = 5.637*10^(-12) meter
for galaxy 2
z = 664.4- 656.3/656.3 = 12.3*10^(-12) meter
for galaxy 3
z =680.2 -656.3/656.3 =36.4*10^(-12) meter