WAVES VOCAB ASSESSMENT

Front

A wave moves the medium perpendicular to its travel direction is mechanical.

Back

False

Front

Impossible to see through; prevents light passage.

Back

True

Front

Rarefaction occurs when a wave enters a substance but does not pass through or reflects off.

Back

False

Front

Rarefaction in a longitudinal wave occurs when medium particles are close together.

Back

False

Front

Rarefaction in longitudinal waves: particles are far apart.

Back

TRUE

Front

Electromagnetic waves with shortest wavelengths & highest frequencies

Back

gamma rays

Front

Wave where medium vibration is parallel to wave direction

Back

longitudinal wave

Front

Highest point of a transverse wave

Back

Crest

Front

Lowest point of a transverse wave

Back

Trough

Front

Bending of a wave around an obstacle or through a narrow opening

Back

Diffraction