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It is possible to detect Doppler shifts in the light emitted from each side of a rapidly spinning ...

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It is possible to detect Doppler shifts in the light emitted from each side of a rapidly spinning ...

It is possible to detect Doppler shifts in the light emitted from each side of a rapidly spinning star. Suppose the light from a nearby star of radius 2.5 × 10⁸ km is blue-shifted on one side of the star and red-shifted on the other side. Assume the center of mass of the star is stationary relative to Earth. If the rotational period of the star is 72 h and the star emits (unshifted) light of wavelength 525 nm, what is the wavelength of the light received on Earth from the side of the star rotating toward us?

▸

536 nm

▸

504 nm

▸

530 nm

▸ 520 nm

▸

546 nm

▸

514 nm

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College Physics

Edition: 5^th

Author: Giambattista

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