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
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

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

  1. ct
  2. ct/2
  3. ct-2
  4. ct-1

Answer: ct/2
Unit and Measurement MCQs
Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page