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?

Question

options:

when there is a change in the mass of the wave
when there is a change in the mass of the wave

when the wave comes into contact with a different medium
when the wave comes into contact with a different medium

when a wave bounces off a surface
when a wave bounces off a surface

when there is a change in the amplitude of the wave

Answer 1

The speed of a wave alters when the wave comes into contact with a different medium.

When a wave transitions from one medium to another (for example, from water to air), it can change speed depending on the properties of the new medium, such as density and elasticity. The other options do not typically affect the speed of a wave directly in the same way.