Unit 5: Waves Assessment

Front

What is the term for how many waves pass through a given point per second?

Back

Frequency (measured in Hertz, Hz) is the number of waves that pass a point in one second.

Front

What is the phenomenon called when light waves bounce back after hitting a shiny, flat surface?

Back

Reflection is the bouncing back of light waves when they hit a surface.

Front

In which medium do light waves travel the fastest?

Back

Light waves travel fastest in a vacuum.

Front

Is it true that black is simply the absence of light?

Back

True, black is the absence of light.

Front

What do all waves transfer?

Back

All waves transfer energy.

Front

What is the highest point of a wave called?

Back

Crest is the highest point of a wave.

Front

What is the lowest point of a wave called?

Back

Trough is the lowest point of a wave.

Front

What is the distance between two consecutive crests or troughs in a wave?

Back

Wavelength is the distance between two consecutive crests or troughs.

Front

What is the term for the maximum displacement of a wave from its rest position?

Back

Amplitude is the maximum displacement of a wave from its rest position.

Front

What is the bending of waves as they pass from one medium to another called?

Back

Refraction is the bending of waves as they pass from one medium to another.