Waves Unit Flashcards

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18 Cards. Created by Michael ().
 
Term  
Definition

Mechanical Waves

A wave that travels through some sort of medium. It can be either a Transverse Wave or a Longitudinal Wave.

Medium

Matter that a wave travels through. It can be solid, liquid, or gas.

Transverse

A wave where the distrubance is perpendicular to the direction the wave travels.

Amplitude

The distance from the resting position to the crest.

Crest

The highest part of a wave.

Rest position

The position the medium would be at if there were no wave.

Trough

The lowest part of a wave.

Transverse Wave length

The distance from crest to crest or trough to trough. Also known as a cycle.

Frequency

The number of wavelengths (cycles) per second.

Period

The time it takes to move through one cycle.

Longitudinal

A wave where the distrubance is parallel to the direction the wave travels.

Compression

The part of the wave where the particles in the medium are closest together.

Rarefaction

The region of the wave where the particles in the medium are farthest apart.

Longitudinal Wave length

The distance between two consecutive compressions or two rarefactions. Also known as a cycle.

Absorption

The transfer of energy by a wave to the medium which it travels through.

Diffraction

The change in direction of a wave when it travels by the edge of an object or through an opening.

Reflection

The bouncing of a wave off a surface.

Transmission

The passage of a wave through a medium.