Which phenomenon occurs when a wave passes from one medium to another and change

Which phenomenon occurs when a wave passes from one medium to another and changes speed?

Which phenomenon occurs when a wave passes from one medium to another and changes speed?

Step 1: Understand what a wave is. A wave is a disturbance that travels through space and matter.
Step 2: Know what a medium is. A medium is the material through which a wave travels, like air, water, or glass.
Step 3: Learn that when a wave moves from one medium to another, it can change speed. For example, light travels faster in air than in water.
Step 4: Recognize that when the speed of the wave changes, it can also change direction. This change in direction is called refraction.
Step 5: Conclude that the phenomenon of a wave changing speed and direction when passing from one medium to another is called refraction.

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