How long does it take light to travel through a 5.20- mm -thick piece of window glass?

Through what thickness of water could light travel in the same amount of time?

Respuesta :

Explanation:

Explanation: The speed of light in a vacuum is 3⋅108 m/s . We can now convert to a more appropriate symbol, such as the nanoseconds. So, it will take light approximately 333

200,000 kilometers per secondrefractive index of 1.5).