EM spectrum Flashcards
1
Q
what colours are in the visible light spectrum?
A
red orange yellow green blue indigo violet
2
Q
which side of the visible light spectrum has a longer wavelength?
A
red
3
Q
what did William Herschel discover
A
infrared
4
Q
what is infrared
A
has longer wavelength than red light
5
Q
what did Joanne Ritter discover
A
she discovered ultraviolet
6
Q
what is ultraviolet
A
ultraviolet waves has a shorter wavelength than violet light
7
Q
explain ultra violet
A
where the rate of reaction was highest beyond violet
8
Q
order the EM spectrum of decreasing wavelength and increasing frequency
A
radio waves micro waves infrared visual light ultra violet x-rays gamma rays
9
Q
how many colours are in the visible light spectrum?
A
7
