13 Electromagnetic Spectrum 2021

Quiz
•
Physics
•
10th Grade
•
Hard
Lee Peng TUNG
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student is asked to give two uses of four different types of electromagnetic radiation.
In which row are both the uses correct?
radio - sterilising medical equipment, mobile phone masts
microwaves - mobile phones, sterilising medical equipment
infrared - remote controllers, intruder alarms
X-rays - security in airports, intruder alarms
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The diagram shows typical wavelengths (in metres) of radio waves, microwaves and X-rays in the electromagnetic spectrum.
In which region are the waves used in TV remote controllers found?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8.0 ms
16 ms
8.0 s
16 s
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 and 3
1 only
2 and 3
2 only
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which row correctly describes what happens to the frequency and to the speed of electromagnetic waves as we move through the spectrum from γ-rays to radio waves?
Frequency decreases, speed in a vacuum increases
Frequency decreases, speed in a vacuum remains the same
Frequency increases, speed in a vacuum decreases
Frequency increases, speed in a vacuum remains the same
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thermal radiation is part of the electromagnetic spectrum. What is the name of this region of the spectrum?
Gamma rays
Infrared rays
Ultraviolet rays
Visible light rays
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Which row gives the approximate speeds at which ultraviolet waves travel in air and in a vacuum?
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