The hydra constellation in a distant sky island is moving away from Earth at a velocity of 6.12 × 107m / s. How far does the green spectral line emitted by this celestial island, with a wavelength of 500 nm, shift towards the red end of the spectrum?

The hydra constellation in a distant sky island is moving away from Earth at a velocity of 6.12 × 107m / s. How far does the green spectral line emitted by this celestial island, with a wavelength of 500 nm, shift towards the red end of the spectrum?

The Solar System

10th Edition

ISBN:9781337672252

Author:The Solar System

Publisher:The Solar System

Chapter7: Atoms And Spectra

Section: Chapter Questions

Problem 9P

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Wien's displacement law

Students often get confused between Wien's displacement law and Planck's radiation law. Although both are historically related, yet they are conceptually different. Planck's law helps determine the spectrum of a blackbody, while Wien's law determines the relationship between peak wavelength and temperature.

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