Use Equation 2-47 to obtain the gravitational redshift in terms of the wavelength . Use that result
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Use Equation 2-47 to obtain the gravitational redshift in terms of the wavelength λ. Use that result to determine the shift in wavelength of light emitted by a white dwarf star at 720.00 nm. Assume the white dwarf has the same mass as the Sun (1.99 x 1030 kg) but a radius equal to only 1 percent of the solar radius RΘ. (RΘ = 6.96 x 108 m.)
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ds² = c² dt² (dr² + r²d0² + r² sin²0 de²) 2-47
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