Reflection, Refraction and Total Internal Reflection

The law of reflection is:

angle of _________ = angle of reflection

This diagram shows...

• specular reflection

• diffuse reflection

• total internal reflection

• refraction

This diagram shows...

• specular reflection

• diffuse reflection

• total internal reflection

• refraction

This diagram shows...

• specular reflection

• diffuse reflection

• total internal reflection

• refraction

In refraction, the angle of incidence is _______ to the angle of refraction

• equal

• different

What happens when light enters a less dense medium above the critical angle?

• refraction

• refraction along the boundary

• total internal reflection

What happens when light enters a less dense medium below the critical angle?

• refraction

• refraction along the boundary

• total internal reflection

What happens when light enters a less dense medium along the critical angle?

• refraction

• refraction along the boundary

• total internal reflection

When a sound wave enters a more dense medium it will...

• slow down

• speed up

• not change speed

When a light ray enters a less dense medium it will...

• slow down

• speed up

• not change speed