The wavelength of light coming from a particular star measures 4 cm. If the rest wavelength of

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The wavelength of light coming from a particular star measures 4 cm. If the "rest wavelength" of that light is 12 cm, what can I conclude about the distance between my location and that star?

a. the distance is decreasing

b. the distance is increasing

c. Doppler shift gives speed information

d. the distance is unchanging

Related Book For answer-question

Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Posted Date: Dec 21, 2023 02:00 PM

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The wavelength of light coming from a particular star measures 4 cm. If the rest wavelength of

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Fundamentals of Physics

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