An observer casts a laser pulse of frequency v= 105 Hz against a mirror, which is moving with a speed v = 5x 10' m/s opposite to the direction of the pulse, and whose surface is orthogonal to it. The observer then measures the frequency v of the pulse coming back after being reflected by the mirror. What is the value of v?
An observer casts a laser pulse of frequency v= 105 Hz against a mirror, which is moving with a speed v = 5x 10' m/s opposite to the direction of the pulse, and whose surface is orthogonal to it. The observer then measures the frequency v of the pulse coming back after being reflected by the mirror. What is the value of v?
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Transcribed Image Text:An observer casts a laser pulse of frequeney v 1015 Hz against a mirror, which is moving
with a speed v = 5x 107 m/s opposite to the direction of the pulse, and whose surface is
orthogonal to it. The observer then measures the frequency v of the pulse coming back
after being reflected by the mirror. What is the value of v?
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