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A light beacon is emitting a 480 nanomet...

A light beacon is emitting a 480 nanometers wavelength of light. How fast should the beacon move either towards or awy from an observer so that the observer notices a 0.1 % increase in the wavelength? Express the result in the velocity of light, c.

A

Away with a velocity of 0.001 c

B

Away with a velocity of 0.01 c

C

Towards with a velocity of 0.048 c

D

Towards with a velocity of 0.48 c

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