Light (practice questions practice) Flashcards
1
Q
What is the electromagnetic spectrum?
A
the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths
2
Q
Radio waves use:
A
mobile phones
3
Q
Microwaves use:
A
heating up products (in a microwave oven)
4
Q
Infrared use:
A
thermal imaging
5
Q
Visible light use
A
traffic lights
6
Q
Ultraviolet use:
A
tanning beds
7
Q
X-rays use:
A
X-ray machines
8
Q
Gamma rays use:
A
PET scans
9
Q
A
