among the list, which one does a beam of light travel at highest speed
a. air
b. water
c. glass
d. plastic
3 answers
A beam of light travels at its highest speed in a. air.
Melissa is studying the distinct characteristics of waves and has discovered that when the wavelength of a wave increases, the frequency decreases. In what circumstance does the speed of a wave alter?
a. when there is a change in the mass of wave
b. when a wave bounces off a surface
c. when there is a change in the amplitude of the wave
d. when the wave comes into contact with a different medium
a. when there is a change in the mass of wave
b. when a wave bounces off a surface
c. when there is a change in the amplitude of the wave
d. when the wave comes into contact with a different medium
The speed of a wave can alter when the wave comes into contact with a different medium. Therefore, the answer is d. when the wave comes into contact with a different medium.
5 answers