Transverse and longitudinal and diffractions and emission spectra

When’s waves in a longitudinal wave are close together it’s called a

A compression

When waves are far apart in a longitudinal wave it’s called a

Rarefraction

The reason why waves have compressions and rarefractions is because of

The different displacements of particles along the direction

If the wave front encounter an obstacle like. A wall the energy can be

Absorbed or reflected by the wall

If the obstacle that the wave front is approaching has gaps what will happens to the energy

Energy will travel through the gaps this is a diffraction

A diffraction grating has a series of lines forming gaps that block wave fronts

Transmission is

When a wave front meets a diffraction grating, some of the energy continues propagating through the gaps bewteeen the grating

When energy is scattered backwards as it bounces of a surface it is called

Reflection

The diffraction grating produces an interference pattern this is ?

Spaces of bright and dark lines

The dark and white spaces happen why?

String light being passed through the at angles and no wave energy at certain angles

The interference pattern is due to

Superposition

Superposition is

The adding together of waves

When looking at the spectrum of light by splitting it up by a grating we see

Different colours at different frequencies

The reason for different colours is because of

Energy levels

The energy level is

Values of energy for an electron that is bound in an atom

Stationary wave is

Wave that store energy rather than transferring it

A point as which the amplitude is 0 is called the

Node

The point in which the amplitude is at the max is the

Antinode