NEW
Font size
S
M
L
XL
WorksheetsSchool Holidays Physics Quiz: T4Chp05-1
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
a measure of how much a light ray bends when it enters that medium
a)
index of refraction
b)
reflection
c)
thermogram
d)
mirage
2.
Which of these causes the colors in a rainbow to separate?
a)
sunlight passing through raindrops
b)
strong winds
c)
Earth's gravity
d)
different colors of light going at different speeds
3.
Why does a ruler with one end in the air and one end under water appear bent?
a)
Light moves through air faster than it moves through water.
b)
The light is reflected from the ruler moves in a curved path.
c)
Light moves through water at the same speed as it moves through air.
d)
Light in the air is brighter than light in the water.
4.
Through what kind of matter does light move fastest?
a)
liquids
b)
air
c)
matter that is lighter in color
d)
matter that is in larger objects
5.
What is a property of a transparent object?
a)
Almost all of the light rays that reach it are scattered.
b)
Almost all of the light rays that reach it are absorbed.
c)
Almost all of the light rays that reach it are reflected.
d)
Almost all of the light rays that reach it pass through it.
6.
What is most likely to happen to light that hits an opaque object?
a)
All of the light passes through the object.
b)
None of the light passes through the object.
c)
Most of the light disappears.
d)
Some of the light passes through the object.
7.
The intensity of light is related to its brightness.
a)
True
b)
False
8.
White light can be separated into different colors by using a__________.
a)
microscope
b)
prism
c)
mirror
d)
convex lens
9.
What form of energy travels faster? Light or Sound?
a)
light
b)
sound
10.
Why does light bend when it moves from one material to another?
a)
because it travels slow
b)
because it travels fast
c)
because it changes speed and bends
d)
light does not bend
11.
You can see through water because ---
a)
it's opaque
b)
it's translucent
c)
it's transparent
d)
it's wet
12.
Light waves need matter to travel.
a)
True
b)
False
13.
What happens when light hits a transparent object?
a)
The light reflects.
b)
The light is absorbed.
c)
The light is blocked.
d)
The light passes through it.
14.
The bending of light as it moves from one material to another is ---
a)
refraction
b)
reflection
c)
translucent
d)
absorbed
15.
What does it mean to reflect?
a)
bounce off
b)
bend
c)
refract
d)
energy
16.
What does it mean to refract?
a)
bounce off
b)
to bend
c)
curve outward
d)
reflect
17.
What property of light waves can be observed as light waves pass from one medium to another and change speed?
a)
Diffraction
b)
Refraction
c)
Reflection
d)
Separation
18.
Which of the following statements describes an advantage of total internal reflection within an optical fiber?
a)
It converts electrical signals into optical
signals.
signals.
b)
It converts optical signals into electrical
signals.
signals.
c)
It allows optical signals to be transmitted along
a curved path.
a curved path.
d)
It allows electrical signals to be transmitted
along a curved path.
along a curved path.
19.
If a candle is placed at 2f in front of a converging lens, the image
a)
will appear at f on the opposite side of the lens
b)
the image will appear at 2f on the opposite side of the lens
c)
the image will appear between f and 2f on the opposite side of the lens
d)
the image will not appear
20.
Convex lenses can produce...
a)
Real, erect images
b)
Virtual, inverted images
c)
Real, inverted images
d)
no images form
21.
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
22.
In order to produce an image with a convex lens that is equal in size to the object, the object distance and the image distance must be.....
a)
half of the focal length.
b)
equal.
c)
twice the focal length.
d)
inverted.
23.
Which is the angle of refraction?
a)
Angle 1
b)
Angle 2
24.
Which is the angle of incident?
a)
Angle 1
b)
Angle 2
25.
Speed of light in a vacuum is
a)
represented by the symbol "c"
b)
3.00 X108 m/s
c)
both answers are correct
26.
A candle is placed on the principal axis of a convex lens at a distance of 30 cm from the lens. The focal length of the lens is 10 cm. The image formed will be
a)
Real, inverted, and reduced
b)
Real, inverted, and enlarged
c)
Real, upright, and enlarged
d)
Virtual, upright, and enlarged
27.
A converging lens has a focal length of 30 cm. A 5 cm tall candle is placed at a distance of 10 cm in front of the lens. Determine the image distance.
a)
- 45 cm
b)
-30 cm
c)
-15 cm
d)
6 cm
28.
An object is located 0.15 m from a converging lens with focal length 0.10 m.
How far from the lens is the image formed?
How far from the lens is the image formed?
a)
100/3 m
b)
3/10 m
c)
10/3
d)
3/100 m
29.
An object is located 15 m from a converging lens with focal length 10 m.If the object is 2 cm tall, find the image height if the image is located at 30 m.
a)
4 m
b)
-4m
c)
1m
d)
-1m
30.
An object of height 4 cm is placed 10 cm away from a concave lens of focal length 6 cm as shown below.Image is
a)
virtual.inverted
b)
virtual,upright
c)
real,inverted
d)
real,upright
Reset
