Physics for pre-IGCSE-Homework sheet "7"- Term 2
Paper1: chose the best answer:
1. Which
A.
B.
C.
statement is correct about the speed of electromagnetic waves in a vacuum?
Ultra-violet waves have the greatest speed.
Visible light waves have the greatest speed.
Infra-red waves have the greatest speed.
All electromagnetic waves have the same speed.
2.
Which
A.
B.
~)
D.
type of wave cannot travel through a vacuum?
infra-red radiation
microwaves
sound waves
X-rays
3.
Which diagram shows the correct order of the waves in the
electromagnetic spectrum?
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A
B
o
4.
Which
A.
B.
C.
D.
type of radiation lies between visible light and microwaves in the electromagnetic spectrum?
infra-red
radio waves
ultra-violet
X-rays
5.
Which group contains only transverse waves?
infra-red waves, light waves, sound waves
infra-red waves, light waves, ultra-violet waves
C. infra-red waves, ultra-violet waves, sound waves
D. light waves, sound waves, ultra-violet waves
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Physics for pre-IGCSE-Homework
sheet "7"- Term 2
Paper2:
Fig. 7.1 shows the various regions ofthe electromagnetic spectrum.
radio
\
visible
I
\
T·
I
/
I
I
I
I
I
I
I
I
I
I
I
I
/
I
I
I
/
R
\
I
\
I UI~\!~oW
I
F,ig.7.1
Two of the regions have been labeled.
a.
In the boxes provided, write the names of the other regions.
b.
Only one of the following types of wave is not an electromagnetic wave.
Tick one box to show which type of wave is not electromagnetic.
Microwave
D
Radar
D
Sound
/