Optics Unit Test Questions - Review Sheet
1. Light and Waves
a. Draw and label a wave.
b. What is the electromagnetic spectrum?
c. What is the relationship between frequency and wavelength on the spectrum?
d. What are the different types of radiation found on the spectrum? How do these frequencies and
wavelengths compare to each other? (i.e. where do we find the different types of radiation on the
electromagnetic spectrum? Know the order.)
e. What are the differences between the colours of visible light in terms of energy?
2. Colour Theory
a. What are the additive & subtractive colour theories? What are some applications of these theories?
3. Sources of Light
a. Identify the different types of light sources.
b. What are examples of each?
4. Ray Model of Light
a. What is the ray model of light?
b. Transparent, Translucent and Opaque
c. Types of reflection (diffuse, regular)
5. Law of Reflection
a. What is the Law of Reflection?
b. Label angles correctly in a picture
6. Mirrors
a. Identify the types (3 of them) & know how to describe images (SALT)
b. Applications/uses of the various types of mirrors
7. Ray Diagrams
a. Draw the ray diagram for plane, convex and concave mirrors according to the steps.
b. Describe the image characteristics from mirrors. (SALT)
8. Refraction
a. Light bends when entering a medium (ex. Water, be able to give other examples)
b. Speed of light in a vacuum
𝑐
𝑐
c. Index of refraction 𝑛 = 𝑣 , 𝑣 = 𝑛
d. Snell’s Law 𝑛1 𝑠𝑖𝑛𝜃1 = 𝑛2 𝑠𝑖𝑛𝜃2
9. Lenses
a. What are the different types of lenses? Uses?
b. Draw ray diagram for converging lens and diverging lenses
ℎ
𝑑
i. Calculate the magnification of an image
𝑀= 𝑖 , 𝑀= 𝑖
c. Use thin lens equation to locate image in a concave mirror
ℎ𝑜
1
𝑓
1
𝑑𝑜
1
=𝑑 +𝑑
𝑜
𝑖
10. Eyes
a. Parts and functions.
b. How do we detect light? Types of cells.
c. Correcting vision problems.
11. Technologies (choose 3 from independent study worksheet)
a. Cameras, Lasers, Telescope, Microscopes and Photonics: Uses, How it’s used, link to our unit.
Bring a CALCULATOR for your test! Cell phones will not be permitted!