WorksheetsF4 : Holiday Homework Vol 5
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Which of the following electromagnetic waves has the longest wavelength?
a)
Infrared Waves
b)
Ultraviolet Rays
c)
Visible Light
d)
Gamma Rays
2.
Which of the following waves in the electromagnetic spectrum has the highest energy?
a)
Radio Waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
Infrared Waves
3.
As wavelength decreases in the electromagnetic spectrum the frequency _____.
a)
decreases
b)
stays the same
c)
increases
d)
doubles
4.
Which of the following is an example of how we use infrared waves?
a)
imaging bones
b)
MRIs
c)
microwaves
d)
thermal images
5.
Which color of light in the visible light spectrum has the most energy?
a)
Red
b)
Yellow
c)
Violet
d)
Green
6.
Exposure to small doses of ultraviolet rays are beneficial to people because___.
a)
we then produce vitamin D
b)
get can get skin cancer
c)
it can cure most cancers
d)
we can see the UV rays
7.
Which type of electromagnetic waves is used to image bone?
a)
Gamma Rays
b)
UV Rays
c)
X-Rays
d)
B-Rays
8.
Gamma Rays are very harmful to humans because ___.
a)
They are very high energy.
b)
They can penetrate all our tissue.
c)
they can cause serious illness
d)
all the above options are correct
9.
Waves with the longest wavelength have the ____ frequency.
a)
lowest
b)
higest
10.
If a material absorbs all frequencies of light waves EXCEPT green, what color will be perceived by the observer?
a)
Green
b)
White
c)
Black
d)
Yellow
11.
What part of the visible spectrum has the highest energy?
a)
Red
b)
Orange
c)
Green
d)
Violet
12.
1. An electromagnetic wave is a wave that
a)
is the same as sound waves and water waves.
b)
can travel only through matter.
c)
consists of changing electric and magnetic fields
d)
can travel only through empty space.
13.
Mechanical waves need a _______ to travel through.
a)
Medium
b)
Vacuum
c)
Plane
d)
Force
14.
Waves that have compression and rarefaction are called...
a)
Transverse
b)
Electromagnetic
c)
Longitudinal
d)
Slinky
15.
All waves carry
a)
energy
b)
light
c)
matter
d)
particles
100 %
