Date post: | 13-Mar-2016 |
Category: |
Documents |
Upload: | jonah-duke |
View: | 27 times |
Download: | 1 times |
Do now!Can you remember
what wave intensity is??
Electromagnetic spectrum
Visible light
Visible light
λ ≈ 700 nm λ ≈ 420 nm
Ultraviolet waves
λ ≈ 700 - 420 nm
Ultraviolet waves
λ ≈ 700 - 420 nm λ ≈ 10-7 - 10-8 m
X-rays
λ ≈ 700 - 420 nm
λ ≈ 10-7 - 10-8 m
X-rays
λ ≈ 700 - 420 nm
λ ≈ 10-7 - 10-8 m
λ ≈ 10-9 - 10-11 m
Gamma rays
λ ≈ 700 - 420 nm
λ ≈ 10-7 - 10-8 m
λ ≈ 10-9 - 10-11 m
Gamma rays
λ ≈ 700 - 420 nm
λ ≈ 10-7 - 10-8 m
λ ≈ 10-9 - 10-11 mλ ≈ 10-12 - 10-14 m
Infrared waves
λ ≈ 700 - 420 nm
λ ≈ 10-7 - 10-8 m
λ ≈ 10-9 - 10-11 m
λ ≈ 10-12 - 10-14 m
Infrared waves
λ ≈ 700 - 420 nm
λ ≈ 10-7 - 10-8 m
λ ≈ 10-9 - 10-11 m
λ ≈ 10-12 - 10-14 m
λ ≈ 10-4 - 10-6 m
Microwaves
λ ≈ 700 - 420 nm
λ ≈ 10-7 - 10-8 m
λ ≈ 10-9 - 10-11 m
λ ≈ 10-12 - 10-14 m
λ ≈ 10-4 - 10-6 m
Microwaves
λ ≈ 700 - 420 nm
λ ≈ 10-7 - 10-8 m
λ ≈ 10-9 - 10-11 m
λ ≈ 10-12 - 10-14 m
λ ≈ 10-4 - 10-6 m
λ ≈ 10-2 - 10-3 m
Radio waves
λ ≈ 700 - 420 nm
λ ≈ 10-7 - 10-8 m
λ ≈ 10-9 - 10-11 m
λ ≈ 10-12 - 10-14 m
λ ≈ 10-4 - 10-6 m
λ ≈ 10-2 - 10-3 m
Radio waves
λ ≈ 700 - 420 nm
λ ≈ 10-7 - 10-8 m
λ ≈ 10-9 - 10-11 m
λ ≈ 10-12 - 10-14 m
λ ≈ 10-4 - 10-6 m
λ ≈ 10-2 - 10-3 m
λ ≈ 10-1 - 103 m
Electromagnetic spectrum
λ ≈ 700 - 420 nm
λ ≈ 10-7 - 10-8 m
λ ≈ 10-9 - 10-11 m
λ ≈ 10-12 - 10-14 m
λ ≈ 10-4 - 10-6 m
λ ≈ 10-2 - 10-3 m
λ ≈ 10-1 - 103 m
What do they all have in common?
λ ≈ 700 - 420 nm
λ ≈ 10-7 - 10-8 m
λ ≈ 10-9 - 10-11 m
λ ≈ 10-12 - 10-14 m
λ ≈ 10-4 - 10-6 m
λ ≈ 10-2 - 10-3 m
λ ≈ 10-1 - 103 m
What do they all have in common?
• They can travel in a vacuum• They travel at 3 x 108m.s-1 in a vacuum (the
speed of light)• They are transverse• They are electromagnetic waves (electric
and magnetic fields at right angles to each oscillating perpendicularly to the direction of energy transfer)
Mini-book
Mini-book
• One type of EM wave for each page• Each page should contain the range of
wavelengths• Each page should contain uses and other
interesting information