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Answer in 5 minutes D Question 18 1 pts 550nm A star emits visible color at 550 nm . If the star is moving away

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D Question 18 1 pts 550nm A star emits visible color at 550 nm . If the star is moving away from a stationary observer, which of the following cannot be the wavelength observed? 530 nm 584 nm 552 nm 571 nm

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