Question

A physicist is investigating a beam of laser light of wavelength 550 nm. The light strikes a target that is 189 meters away from the source of the light. What is the travel time of the light from the source to the target? Let the speed of light c = 3.00 × 10^8 m/s.

Answer 1

Answer: here you go I was looking for this answer everywhere,I have it now so it’s 6.30 x 10^-7 s

Explanation:

I hope this helps☺️