More Waves. Waves Waves are the means by which energy is transferred from one point to another There...

More Waves

Waves

Waves are the means by which energy is transferred from one

point to another

There are two types of waves: transverse and longitudinal

Ex. Rope

Ex. Slin

ky

Medium- what the wave travels through Ex. Water, spring, string, air

Longitudinal waves- sound waves, seismic waves or pressure waves

Transverse waves- electromagnetic waves

Waves

Parts of a Wave

the height of the wave

Distance between two points

Frequency- the number wave that pass a point in a second

Waves

The Wave Equations

Waves

Reflection: bounce off a surface

Refraction: bend through an object

Diffraction: waves wrapping around an edge

Wave Movement

Waves

Resonance: vibrations caused by waves

Polarization: filters block out certain wavelengths and allow only certain waves through

Wave Movement

Standing Waves Between two

barriers- node on each end. At the nodes, the wave changes direction.

n= # of antinodes

v=fλ

v=λ2L

f=(nv)/2L

Standing wave where 1λ=2L

Interference Interference when two

or more waves meet Constructive

interference- waves add get bigger

Destructive interference- waves get smaller and cancel out

λshort=c/flargest