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WorksheetsF4 : Holiday Homework Vol 4
Total questions: 16
Worksheet time: 26mins
Name
Class
Date
1.
A mirror with a surface that curves inward like the inside of a bowl
a)
concave mirror
b)
convex mirror
c)
plane mirror
d)
flat mirror
2.
Convex Mirrors produce...
a)
only virtual images
b)
virtual or real images
c)
only real images
d)
inverted images
3.
A real image...
a)
is produced by virtual rays and can be projected on a screen
b)
is produced by real rays and cannot be projected on a screen
c)
is produced by virtual images and cannot be projected on a screen
d)
is produced by real rays and can be projected on a screen
4.
Waves with the longest wavelength have the ____ frequency.
a)
lowest
b)
higest
5.
Seeing your face in a mirror is an example of
a)
Refraction
b)
Fiber Optics
c)
Reflection
d)
Absorption
6.
What is the name of the perpendicular line that we use to measure angles?
a)
Incident ray
b)
Reflected ray
c)
Normal line
d)
Source ray
7.
What type of image is produced by a flat mirror?
a)
Real and upright
b)
Real and inverted
c)
Virtual and upright
d)
Virtual and inverted
8.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
9.
This is an example of a _____________ mirror
a)
Concave
b)
Convex
c)
Plane
d)
Magnifying
10.
This image is.....
a)
inverted and smaller
b)
inverted and larger
c)
not inverted and smaller
d)
not inverted and larger
11.
Why does your finger look bent when you put it in a glass of water?
a)
refraction
b)
reflection
c)
total internal reflection
d)
diffraction
12.
Which shape of lens is a magnifying glass?
a)
convex
b)
concave
13.
What is refraction?
a)
The bending of light
b)
Fractions
c)
When light is in a straight line
14.
For total internal reflection to occur, two conditions must be met?
a)
The index of refraction must decrease across the boundary in the direction of light refraction
b)
The angle of incidence of the light ray must exceed the critical angle of the interface.
c)
All of the above
15.
Telescopes are used to observe objects from far away. Which type of lens helps us to observe objects from far away?
a)
convex
b)
concave
c)
mirror
d)
prism
16.
Why does white light look like a rainbow when it exits a prism?
a)
The prism adds more kinds of light.
b)
The prism changes some white light into electricity.
c)
The prism is filled with many different colors.
d)
The prism separates white light into its component colors.
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