WorksheetsLight Review
Total questions: 33
Worksheet time: 17mins
Name
Class
Date
1.
Which wave component is shown at 1?
a)
frequency
b)
speed
c)
amplitude
d)
wavelength
2.
Which wave component is shown at 2?
a)
Crest
b)
Trough
c)
Dip
d)
node
3.
Which wave component is shown at 3?
a)
Crest
b)
Trough
c)
Dip
d)
node
4.
The number of complete wave cycles per second is called wave
a)
position
b)
speed
c)
direction
d)
frequency
5.
Which SI unit is used for frequency?
a)
Hertz (Hz)
b)
Volt (v)
c)
Newton (N)
d)
Joule (J)
6.
How will a light wave react if it enters another medium at an angle other than perpendicular and changes speed?
a)
It will create interference.
b)
It will diffract
c)
It will reflect
d)
It will refract
7.
What is it called when waves interact with each other by adding or subtracting amplitudes?
a)
reflection
b)
refraction
c)
diffraction
d)
interference
8.
What are “particles” of light energy called?
a)
positrons
b)
rays
c)
diatoms
d)
photons
9.
The law of reflection states: “The angle of incidence is equal to the angle of
a)
refraction
b)
diffraction
c)
interference
d)
reflection
10.
Why do leaves appear to be green?
a)
They absorb all light wavelengths except green
b)
They refract all light wavelengths except green
c)
They reflect all light wavelengths except green
d)
They emit all light wavelengths except green
11.
Which of these colors of visible light has the shortest wavelength?
a)
green
b)
yellow
c)
red
d)
blue
12.
Which of the following properties explains why a prism separates white light into its colors?
a)
interference
b)
reflection
c)
refraction
d)
diffusion
13.
What quality determines the different names assigned to the various sections of the electromagnetic spectrum?
a)
their speed
b)
their wavelength
c)
whether they carry electric or magnetic energy
d)
whether they are transverse or longitudinal
14.
Which is not a name for a part of the electromagnetic spectrum?
a)
radio waves
b)
light waves
c)
sound waves
d)
x-rays
15.
What are the most energetic electromagnetic waves called?
a)
mcrowaves
b)
x-rays
c)
gamma rays
d)
ultraviolet light
16.
Which optical device bends light inward?
a)
concave lens
b)
convex lens
c)
plane mirror
d)
convex mirror
17.
A shopkeeper wants to keep an eye on his store in order to prevent shoplifting. What could the shopkeeper hang on the wall in order to see a wider image of his store and his customers?
a)
concave lens
b)
convex lens
c)
concave mirror
d)
convex mirror
18.
what kind of lens is being shown?
a)
concave lens
b)
convex lens
19.
what kind of lens is being shown?
a)
concave lens
b)
convex lens
20.
Refracting telescopes use which of these as the primary objective?
a)
lens
b)
mirror
c)
pinhole
d)
prism
21.
Which of the following is the correct order of the visible light spectrum starting with longest wavelength and ending with shortest?
a)
red, orange, yellow, green, blue, indigo, violet
b)
violet, indigo, blue, yellow, orange, red
c)
red, blue, yellow
d)
yellow, orange, red, green, indigo, blue, violet
22.
Which color of the visible light spectrum has the longest wavelength?
a)
blue
b)
red
c)
green
d)
orange
23.
Which type of electromagnetic wave contains the least energy?
a)
gamma rays
b)
ultraviolet rays
c)
infrared waves
d)
radio waves
24.
The interaction of waves that meet at the same point at the same time is called
a)
reflection
b)
refraction
c)
diffraction
d)
interference
25.
This type of radiation has a range of wavelengths. The longer wavelengths of this radiation can be felt as heat on your skin. What is this radiation called?
a)
ultraviolet rays
b)
x rays
c)
gamma rays
d)
infrared rays
26.
This type of wave is absorbed by bones and teeth, but passes through soft tissue, producing an image on a sheet of film.
a)
infrared ray
b)
radio
c)
x-ray
d)
ultraviolet
27.
Which type of electromagnetic energy is used to do the following things? · see images of the inside of the body for medical or dental purposes · scan luggage in airport security checks · to detect and see space objects such as stars, comets and black holes
a)
gamma rays
b)
ultraviolet rays
c)
infrared rays
d)
x-rays
28.
What is a common everyday application for infrared waves?
a)
killing microorganisms
b)
killing cancer cells
c)
using a TV remote control
d)
looking for clues at a crime scene
29.
Which form of electromagnetic energy is so powerful that it can penetrate concrete and metal as well as being used to kill cancerous cells in the human body?
a)
ultraviolet rays
b)
gamma rays
c)
radio waves
d)
microwaves
30.
Everyone knows that microwave ovens use microwaves to cook food. What is another use of microwaves?
a)
detecting motorists that are speeding with radar
b)
examining archeological specimens
c)
detecting cracks in pipes and aircraft parts
d)
determining the depth of water
31.
Which type of electromagnetic radiation is used extensively in communications?
a)
gamma rays
b)
radio waves
c)
infrared rays
d)
x-rays
32.
What type of electromagnetic energy is used in the tanning bed?
a)
gamma rays
b)
microwaves
c)
ultraviolet rays
d)
radio waves
33.
Images appear right side up and smaller when looking at/through a____
a)
concave lens/convex mirror
b)
convex lens/concave mirror
c)
convex lens/convex mirror
d)
concave lens/concave mirror
100 %
