NEW
Font size
S
M
L
XL
WorksheetsYr 9 Light Revision
Total questions: 20
Worksheet time: 27mins
Name
Class
Date
1.
Why does an apple appear red?
a)
All colors are absorbed & none are reflected
b)
All colors are absorbed except for blue, which is reflected
c)
All colors are reflected and none are absorbed
d)
All colors are absorbed except for red, which is reflected
2.
How does light travel
a)
It curves around corners
b)
Really slow
c)
In a straight line
d)
In circles
3.
Sunlight is
a)
not light at all
b)
red light
c)
yellow light
d)
white light
4.
Objects that reflect ALL colors will appear _____?
a)
Black
b)
White
c)
Gray
d)
Multi-colored
5.
Objects that ABSORB all colors of light will appear _______.
a)
white
b)
black
c)
multi-colored
d)
gray
6.
What does the word "converging" mean?
a)
to separate
b)
to come together
c)
parallel
d)
perpendicular
7.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
8.
A concave lens has an inward curved shape. It refracts light outward from the lens. They light rays spread apart as they exit the lens. Which represents a concave lens?
a)
A
b)
B
c)
A and B
d)
neither A or B
9.
This diagram best represents
a)
reflection
b)
refraction
c)
absorption
d)
diffusion
10.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
11.
What is C?
a)
Angle of incidence
b)
Angle of reflection
c)
Incident ray
d)
Reflected ray
12.
What is E?
a)
Angle of incidence
b)
Angle of reflection
c)
Normal
d)
Reflect ray
13.
_____ is a lens that is thicker in the middle and makes an object appear bigger.
a)
prism
b)
convex lens
c)
concave lens
d)
mirror
14.
the bending of light
a)
refraction
b)
reflection
c)
absorption
d)
transparent
15.
Which one is a convex lens?
a)
A
b)
B
16.
The following is a picture of what type of mirror?
a)
Convex (diverging) mirror
b)
Concave (converging) mirror
c)
Plane Mirror
d)
Flat Mirror
17.
The following is a picture of what type of mirror?
a)
Convex (diverging) Mirror
b)
Concave (converging) Mirror
c)
Plane Mirror
d)
Flat Mirror
18.
What colour does a white object look in yellow light
a)
Blue
b)
Green
c)
Yellow
d)
Red
e)
White
19.
An object appears red because it
a)
reflects light waves of all colors
b)
reflects light waves of red
c)
absorbs light waves of red
d)
transmits light waves of all colors
20.
Which wavelength of light bends the least when white light passes through a prism?
a)
Violet
b)
Green
c)
Orange
d)
Red
Reset
