Using the Approximate Formula for the Doppler Shift, F_o ≈

question 22

Multiple Choice

Using the approximate formula for the Doppler shift, f_o ≈ f_s (1 + v_rel/c) one finds that a source is moving away at 0.60 c. What result would the exact formula yield for the recession speed?

• A) 0.84 c
• B) 0.72 c
• C) 0.60 c
• D) 0.54 c
• E) 0.40 c

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