Page 22 - WAVES

6.3 Refraction of waves

Refraction of waves After refraction, the wave has the same,

a phenomenon in which the direction of but a different speed, frequency and
propagation of a wave changes when direction of propagation.

passing from one medium to another Lamphouse
medium.

The change in the direction of wave occurs To cell and
when there is a change in the speed of the wave rheostat

at the boundary of two mediums. Down for circular
waves
The relationship between v and λ of a Straight wave
water wave in deep and shallow water: dipper
Rubber
v = f λ f is constant Band

Plastic
v is directly proportional to λ plate Sponge
beach
v v 1  v 2 Water

= k
f f 1 f 2

v 1 v 2 v > v 2
1
λ 1 λ 2 λ > λ 2
1
white screen
Shallow water
Deep water Deep water

Plastic plate 22