Wave Properties Answers

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7

A transverse wave is shown.

Question illustration
A
1.3 cm
B
2.1 cm
C
2.6 cm
D
4.2 cm
8

The speed of sound in ice, water, and steam is shown.

Question illustration
A
Sound travels fastest in ice because energy is easier to transfer when the molecules are close together.
B
Sound travels slowest in steam because the sound has to move around the gas molecules that are far apart.
C
Sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy.
D
Sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.

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