Review for Test 3-2

The highest point on a wave is:

• the crest

• the trough

• the top

• the coast

Which part of the wave is shown at letter E?

• trough
• crest
• resting point
• amplitude

TRUE or FALSE

An electromagnetic wave can travel without a medium.

• TRUE

• FALSE

Which waves travels the fastest?

• sound waves

• electromagnetic waves

• water waves

Which of these is true?

• Electromagnetic waves travel faster than mechanical waves.

• Mechanical waves travel faster than electromagnetic waves.

Sound travels in a _____________ wave.

surface

inverted

transverse

compression

• surface

• inverted

• tranverse

• compression

• longitudinal

The bending of a wave as it passes an edge or an opening is called ________.

• diffraction

• reflection

• refraction

• interference

The process that causes light to bend as it passes through a prism is called ______.

• diffraction

• reflection

• refraction

• interference

In the diagram, if the angle of D =50 degrees, what is the measure of angle E?

• 40

• 50

• 80

• 100

Which property of these waves differs?

• Frequency
• Wavelength
• Amplitude
• Pitch