Question

A laser beam after reflection from the surface of moon returns to earth after 2.6 s. What will be the distance of the moon from surface of earth. (given velocity of light in vacuum = 3 × 10⁸ m/s) *



(a) 3.9 ×10⁸ m

(b) 3.9 ×10-⁸ m

(c) 3.9 ×10¹⁰ m

(d) 3.9 ×10¹² m​

Answer 1

Answer:

please mark me as brainliest