Y7 Sound and Light

Question 1

Refraction

Answer 1

The bending of light waves when they slow down by passing through a different medium .e.g: air into glass.

Question 2

Plane Mirror

Answer 2

When light shines on the plane mirror the surface is very smooth and allows the light to clearly be reflected back.

Question 3

Incident ray

Answer 3

It is the light rays which comes out of the light source, before it is reflected.

Question 4

Reflected ray

Answer 4

It is the ray which is reflected

Question 5

Angle of reflected

Answer 5

Angle of reflected is the angle from the normal to ray of reflected.