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Physics Class: Waves and Their Properties

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Physics Class: Waves and Their Properties

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Questions and Answers

Which characteristic distinguishes light waves from sound waves?

Sound waves require a medium to travel. (correct)

Sound waves can travel faster than light in a vacuum.

Light waves can be heard through air.

Light waves are mechanical waves.

What is the speed of sound in water compared to its speed in air?

The speed of sound in water is slower than in air.

The speed of sound in water is faster than in air. (correct)

The speed of sound does not vary with the medium.

The speed of sound in water is equal to that in air.

What type of wave is classified as a mechanical wave?

Electromagnetic wave

Sound wave (correct)

Radio wave

Light wave

Why does light travel faster than sound?

Light does not require a medium to travel. Signup and view all the answers

How does the speed of sound depend on the particles in the medium?

It depends on how quickly particles can transfer energy. Signup and view all the answers

What is the primary reason light waves travel faster than sound waves?

Light waves are electromagnetic and do not require a medium. Signup and view all the answers

Which of the following statements about sound waves is true?

Sound waves require a medium like air, water, or solids to travel. Signup and view all the answers

Which medium allows sound to travel the fastest?

Solid materials Signup and view all the answers

How does the speed of sound in air compare to its speed in water?

Sound travels slower in air than in water. Signup and view all the answers

What characteristic of light distinguishes it from sound waves?

Light is an electromagnetic wave and does not require a medium. Signup and view all the answers