Light Waves Flashcards
1
Q
How to remember the colours of the Spectrum
A
R-ichard O-f Y-ork G-ave B-attle I-n V-ain
2
Q
What are the colours of the spectrum
A
Red orange yellow green blue indigo violet
3
Q
What are the primary colours
A
Green blue red
4
Q
What do all the primary colours makes
A
White
5
Q
What do red+blue make
A
Magenta
6
Q
What do blue+green make
A
Cyan
7
Q
What does green+red make
A
Yellow
8
Q
Long wavelength has…
A
Low frequency
9
Q
Short wavelength has…
A
High frequency
10
Q
EM wave
A
Radio wave Microwave Infrared Visible Ultra Violet ( UV ) X-ray Gamma
11
Q
EM : short wavelength ‘n’ high frequency
A
X-ray UV
12
Q
EM : longest wavelength ‘n’ low frequency
A
Microwave radio waves Infrared
13
Q
Reflection
A
Bounces off
14
Q
Absorption
A
Enters but never comes out
15
Q
Transmission
A
Goes straight through
