A rocket is going towards moon with a speed v . The astronaut in the rocket sends signals of frequency 
towards the moon and receives them back on reflection from the moon. What will be the frequency of the signal received by the astronaut (Take v << c )
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
In this case, we can assume as if both the source and the observer are moving towards each other with speed v . Hence 
Since v<<c, therefore 
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