Light Test Flashcards
A purple neon sign emits light waves with which of the following wavelengths
Purple wavelengths
An a calm day, you can see a reflection in a pond. On a windy day. You cannot, because the surface is __________ , resulting in ____________ reflection.
Rough, diffuse
true or false
An apple looks red because it absorbs red light
False
4.
In the diagram, 2 is a(n) _______ image.
Virtual
- Which statement about the image the person sees is false.
C. The image would appear the same in a convex mirror
Light bends as it passes from air into glass at an angle due to……
B. Refraction
What is the key difference between a convex mirror and a convex lens?
A convex mirror reflects light, while a convex lens allows light to pass through.
What happens when the primary colors of pigment are mixed in equal amounts?
They create black.
- Match the letter of each lens are mirror shown with the correct description below.
A
D
B
C
E
10.
A convex lens could also be called a____________ lens.
C. Converging
What is the name of the line drawn perpendicular to the surface where a light, ray strikes?
C.
Normal
In a room let only buy a red light, a green shirt would appear to be_________.
C. Black
Blackout curtains are designed to keep light out of a space. These curtains are made using material that is __________.
- Opaque
Why does black paint appear black?
Because light reflects black and absorbs all colors except for black.
The cells in your eye that help you see in dim conditions are called _________ cells.
16.
Rod
