~ Total Internal Reflection and the Brilliance of Diamonds.

~ State the Laws of reflection.

~ Define Reflection of light.

~ What are the characteristics of a plane mirror image?

~ Define Refraction of light.

~ State the Laws of refraction.

~ Define critical angle.

~ Define total internal reflection.

~ State the two conditions needed for total internal reflection to occur.

~ Define focal length.

Something extra for the curious cats 🙂

# Why is the sky blue?