Types of Waves

Can waves carry energy though a vacuum?

• Yes. Electromagnetic waves can.

• Yes. Mechanical waves can.

• No. Waves cannot travel through empty space.

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A _______ is a material through which waves can travel.

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TRUE or FALSE.

When waves travel through a medium, the particles of the medium are carried along with the wave.

• True

• False

TRUE or FALSE.

Mechanical waves require a medium for energy to be transferred.

• TRUE

• FALSE

Which is NOT an example of a mechanical wave?

• Light waves

• Water waves

• Earthquake waves

• Waves on a slinky spring

Why can't sound waves travel through empty space?

• They are not strong enough when produced.

• They do not require a medium to travel.

• They require a medium (air) to travel.

• They are mechanical waves.

Which electromagnetic wave is visible to the human eye?

• X-rays

• Infrared rays

• Light

• Microwaves

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Which are the TWO shapes of waves?

• Mechanical and Electromagnetic

• Compressional and Transverse

• Mechanical and Compressional

• Electromagnetic and Transvers

Which type of wave is shown in the illustration?

• Compressional or longitudinal wave

• Transverse wave

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Which statement is true about compressional waves?

• Vibration is perpendicular to the direction of travel of the wave.

• Vibration is parallel to the direction of the travel of the wave.

• Vibration is at 45 degrees to the direction of travel of the wave.

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