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WorksheetsLight & Colour
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
What are the three primary colours (physics)
a)
Red, green, blue
b)
Red, green, yellow
c)
Red, yellow, blue
d)
Magenta, cyan, yellow
2.
What are the two types of lenses
a)
Concave
b)
Conhole
c)
Convex
d)
Consix
3.
How does light travel
(a)
4.
What should you not do when drawing a diagram
a)
Use no ruler
b)
Use a ruler
c)
Draw a normal
d)
Draw a dotted normal line
5.
When does reflection occur
(a)
6.
Light is a ... wave
a)
electro
b)
electromagnet
c)
electromagnetic
d)
magnetic
7.
Red+Green=
(a)
8.
The normal is...
a)
90 degrees from the surface
b)
A dotted line
c)
An ordinary thing
d)
Nothing to do with physics
9.
When do shadows appear
a)
When you see a ghost
b)
When light can't reach an area
c)
When light travels through an object
d)
When it's dark
10.
what's cooler
a)
Convex
b)
Concave
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