Waves Mid-Term recap

What fundamental rules govern how all waves travel, bend, and carry energy?

What happens to the wave when the gap is similar in size to the wavelength?

A cannon produces a loud bang and a flash of light. A sailor 500 m away measures a time difference of 1.6 seconds between seeing the flash and hearing the bang. Calculate the speed of sound.

Which is true about the speed of radio waves compared to light waves? They are...

A ray of light shines on the surface of oil (n=1.47). The angle x is 56°. Calculate the value of the angle of refraction.

Which medium has the smaller index of refraction?

What material could the upper layer be?

What material could the lower layer be?

_____ cables transmit beams of light without allowing any of the light to escape until it gets to the end of the cable.

What happens to light during total internal reflection?

Based on the picture, If the wavelength is 3.9cm, and it takes 0.66 seconds to complete one full wavelength. What is the wave speed? (pay attention to units)