Re: Waves and Electromagnetic waves
- From: Uncle Al <UncleAl0@xxxxxxxxxxxxx>
- Date: Mon, 12 Mar 2007 14:17:27 -0800
Salman wrote:
Hi,
i am abit confused abt the concept of waves.
Harmonic motion stretched out.
I ve read from my physics book that waves are kind of disturbance that
travels from one place to another.
Except for standing waves that do not go anywhere.
This disturbance travels because
air particles pushes air particles and then pushes another air
particles and it keeps on pushing and this disturbance travels from
one place to another.
Im fine with this above concept of waves.
What about transverse waves? Elliptic polarization?
But abt electromagnetic waves, they also travel through the vacuum and
ive heard that in vacuum there is no air.
Good for you! In vacuum there is nothing but Heisenberg Uncertainty.
So how electromagnetic waves
travel through vacuum where there is no air particles?
How does a ball travel after it leaves your hand? Look up Einstein's
1921 Nobel Prize/Physics. Yesterday's Nobel is tomorrow's homework.
waves is merely
a name given to that disturbance that travels in the help of particles
in the air. If there are no particles then how it travels???
When did the photon cease being a particle?
--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/lajos.htm#a2
.
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