Compressions

The parts where the coils are close together in a longitudinal wave

Doppler Effect

Change in the apparent frequency of a wave as observer and source move toward or away from each other

Convex Lens

Lens such that a beam of light passing through it is brought to a point or focus, lens is thicker in the center

Concave Lens

A lens that is thinner in the center than at the edges, a lens such that a parallel beam of light passing through it is caused to diverge or spread out

Electromagnetic Spectrum

The complete range of electromagnetic wave frequencies and wavelengths

Surface Waves

Combination of transverse and longitudinal waves. The wave moves from one medium to another. EXAMPLE: ocean waves

Energy

The ability to do work

Speed

Speed=Wavelength xFrequency,Frequency=Speed/Wavelength,
Wavelength=Speed?Frequency

Frequency

Is the number of complete waves that pass a given point in a certain amount of time

Longitudinal (Compressional) Wave

The wave travels in the same direction as the disturbance

Amplitude

The maximum height of a wave from its rest position;LARGE AMPLITUDE = MORE ENERGY; SMALL AMPLITUDE = LESS ENERGY

Wave Length

The distance between any two crests or compressions next to each other in a wave; SHORTER WAVELENGTH = MORE ENERGY; LONGER WAVELENGTH =LESS ENERGY

Transverse Wave

This wave travels up and down while the energy travels left and right. ex: water wave, rope wave

Electromagnetic Waves

Waves that transfer electric and magnetic energy through the vacuum of space.

Vacuum

An empty area or space

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