Question

What do you understand by refraction and reflection
? ​

Answer 1

Reflection involves a change in direction of waves when they bounce off a barrier. Refraction of waves involves a change in the direction of waves as they pass from one medium to another. Refraction, or the bending of the path of the waves, is accompanied by a change in speed and wavelength of the waves.

Answer 2

hiiii mate here is the answer

Reflection involves a change in direction of waves when they bounce off a barrier.

Refraction of waves involves a change in the direction of waves as they pass from one medium to another.

hope it may help you