Q. A laser signal is sent towards the moon with a speed of light C and returns after a time f seconds. The distance of the moon from the observer is
- ct
- ct/2
- ct-2
- ct-1
Answer: ct/2
Q. A laser signal is sent towards the moon with a speed of light C and returns after a time f seconds. The distance of the moon from the observer is
Answer: ct/2
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