The fractional change in the wavelength of the observed light from a galaxy is 0.15; its redshift

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The fractional change in the wavelength of the observed light from a galaxy is 0.15; its redshift is 15 %. Calculate its recession speed. State any assumptions made.

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Cambridge International AS And A Level Physics Coursebook

ISBN: 9781108859035

3rd Edition

Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside

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