Questions on R
Refraction occurs because the two sides of a wave that enter a new medium at an angle travel at different what?
Refraction of a sound wave occurs when a wave passes at an angle from one medium into another in which the of the wave is different?
Radio antennas often work best when the diameter of the antenna is equal to the wavelength of the radio wave reasonable antennas range from 1 cm to 5 meters in diameter what frequency range does this?
Radio wave frequency and microwave radiation are both forms of energy called electromagnetic radiation?