Doppler Effect: a Navigational Beacon in Deep Space Broadcasts at a Radio

question 47

Multiple Choice

Doppler effect: A navigational beacon in deep space broadcasts at a radio frequency of 50 MHz. A spaceship approaches the beacon with a relative velocity of 0.40c. What is the frequency of the beacon radio signal that is detected on the ship?

• A) 55 MHz
• B) 60 MHz
• C) 66 MHz
• D) 71 MHz
• E) 76 MHz