The Wave Mechanical Model

A string is clamped at both ends and plucked so it vibrates in a standing mode as shown below. How many nodes and antinodes are there?

• 2 nodes, 3 antinodes
• 3 nodes, 2 antinodes
• 4 nodes, 3 antinodes
• 3 nodes, 4 antinodes

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What kind of wave is pictured below?

• compressional wave
• transverse wave
• sound wave
• mechanical wave

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Waves are a transfer of what?

• Heat
• Light
• Energy
• Matter

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Amplitude reflects the amount of ____________________ in a wave.

• energy
• matter
• rarefaction
• speed

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The ___________________ of waves can change when the waves move from one medium to another.

• altitude
• amplitude
• speed
• compression

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Sound is caused by? 

• force
• vibrations
• instruments
• medium

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What is vibration?

• The Swing Arc
• The Back and Forth movement of matter
• The Upside Down
• the loudness or softness of a sound

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This is what you get when sound waves are reflected, or bounce back, off of a hard surface.

• Amplitude
• Pitch
• Refractionation
• Echo

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The units for frequency are measured in _____________.

• hertz
• joules
• m/s
• newtons

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What property of this wave is represented by the letter "A"

• amplitude
• crest
• trough
• wavelength

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