The Electromagnetic Spectrum Flashcards
1
Q
What 3 things do all waves in the electromagnetic spectrum have in common?
A
They are all transverse
They all travel at the same speed (3x10*8m/s)
Can travel through a vacuum.
2
Q
Name all 8 waves in the electromagnetic spectrum with the highest frequency first.
A
Gamma rays, x-rays, ultra-violet, visible, infra-red, microwaves, television, radio.
3
Q
Name a use for all the waves in the electromagnetic spectrum.
A
GR; sterilising food, XR; medical x-rays, UV; sun tanning, V; to see, IR; physiotherapy, MW; microwave ovens, T; television, R; radio.
4
Q
What practises are optic fibres used in?
A
Medicine, industry, and communication.