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

I can confirm that it is 6.30 x 10^-7

Step-by-step explanation:

Answer 2

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

Step-by-step explanation:

I hope this helps☺️