Font size
S
M
L
XL
WorksheetsLenses
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
How does light travel
a)
It curves around corners
b)
Really slow
c)
In a straight line
d)
In circles
2.
This diagram best represents
a)
reflection
b)
refraction
c)
absorption
d)
diffusion
3.
What is the ray of light that strikes the surface.
a)
Incident ray
b)
reflected ray
c)
normal ray
d)
normal
4.
....................... - the imaginary line perpendicular to the surface.
a)
Normal
b)
Angle of incidence
c)
Angle of reflection
5.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
6.
___ is when light travels through a material and bends.
a)
Diffraction
b)
Dispersion
c)
Mirage
d)
Refraction
7.
When light waves move from passing through air to passing through a glass lens when happens to them?
a)
They slow down and change direction
b)
They speed up and change direction
c)
They maintain the same speed and change direction
d)
They maintain their same speed and direction
8.
How does light behave as it enters these materials?
a)
continue its path as straight line.
b)
bends toward the normal
c)
bends away from the normal
d)
reflects
9.
When light travels from glass to air it will speed up and ...
a)
it is bent toward the normal.
b)
it always lies along the normal.
c)
it is unaffected.
d)
it is bent away from the normal.
10.
Which describes a convex lens?
a)
triangular in shape
b)
more transparent in the middle
c)
thicker on the edges than in the middle
d)
thicker in the middle than on the edges
11.
Is a concave lens thicker or thinner in the middle?
a)
Thicker
b)
Thinner
12.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
13.
What does the word "diverging" mean?
a)
to spread apart
b)
to come together
c)
parallel
d)
perpendicular
14.
A converging lens is also known as a ____ lens.
a)
convex
b)
concave
c)
double
d)
refracted
15.
Which of the following are uses for convex lenses? (Choose all that are correct)
a)
Projector
b)
Telescope lens
c)
Microscope lens
d)
Magnify glass
Reset
