11.6 Laws of Refelction

Question 1

What is Reflection ?

Answer 1

It is the process where light is bounced back from a surface

Question 2

What are the 2 laws of reflection ?

Answer 2

The angle of incidence will equal the angle of refraction

The incident ray the reflected ray and the the normal all lie on the same reflection

Question 3

2 Examples of Specular and diffuse reflection

Answer 3

High waxy floor and crumbled up the sheet of aluminum paper

Question 4

What do the people with Dyslexia have hard time seeing the words ?

Answer 4

The way words appear to them and the strong glare coming off the paper causes too much light to be reflected

Question 5

Classify each material as exhibiting specular reflection or diffuse reflection)
Highly waxed floor
b) Crumpled sheet of aluminum foil –
c) Dense carpet
d) Flat sheet of aluminum foil, shiny side up

Answer 5

a) Highly waxed floor – Specular reflection (smooth, shiny surface)
b) Crumpled sheet of aluminum foil – Diffuse reflection (irregular surface)
c) Dense carpet – Diffuse reflection (rough, uneven surface)
d) Flat sheet of aluminum foil, shiny side up – Specular reflection (smooth surface)

Question 6

Provide one example in our kitchen where reflection would happen

Answer 6

Kitchen light could be refecting light by glass top stove