Yes, it is possible to observe the phenomenon of refraction with sound waves. Refraction is the bending of waves as they pass from one medium to another, due to a change in their speed. While we often think of refraction in the context of light waves passing through different materials, it can also occur with other types of waves, including sound waves.
When sound waves travel from one medium to another—for example, from air to water or from air to a solid surface—they can experience refraction. The change in the speed of sound waves as they transition between different materials causes them to bend or change direction.
To observe the phenomenon of refraction with sound waves, you can set up an experiment using a source of sound and different media. For instance, you could use a loudspeaker or a musical instrument as the sound source and place it near the boundary of two materials, such as air and water or air and glass. As the sound waves propagate through these materials, you can listen for any changes in the direction or path of the sound.
For example, if you place the sound source close to the water's surface, you may notice that the sound appears to bend towards the water due to refraction. Similarly, if you direct the sound towards a solid object, such as a wall or a glass pane, you might observe the sound waves changing direction as they pass through the boundary.
By carefully designing and conducting experiments with sound waves, you can observe and study the phenomenon of refraction, much like you would with light waves.