Chapter 9 Introduction to Waves

When a longitudinal wave travels through a medium, which way does the matter that makes up the medium move?

• backward

• in all directions

• in the same direction the wave travels

• at right angles to the direction of the wave

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What part of a wave is shown at F?

• amplitude

• wavelength

• crest

• trough

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What wave property is indicated by the letter J?

• wavelength

• crest

• amplitude

• trough

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The distance between the rest position and the trough of a transverse wave is its ___________.

• wave frequency

• wave intensity

• wavelength

• wave amplitude

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From which can the period of a wave be directly calculated?

• frequency

• amplitude

• crests

• height

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The disturbance from a wave can be increased by increasing its

• diffraction

• amplitude

• speed

• frequency

What type of wave is illustrated?

• longitudinal

• transverse

• seismic

• reflected

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Describe the motion of the piece of string tied to the coil.

• It moves up and down as the wave passes.

• It moves in a circular motion.

• It moves back and forth as the wave passes.

• It does not move as the wave passes.

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The bending of a wave as it passes an obstruction is called _________.

• interference

• reflection

• diffraction

• refraction

The effect of two waves overlapping to form a wave with amplitude less than at least one of the original waves is called _________.

• destructive interference

• constructive interference

• diffraction

• resonance