![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](https://www.gkseries.com/blog/wp-content/uploads/2022/10/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.png)
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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