KSSM Science Form 2 Chapter 10

KSSM Science Form 2 Chapter 10

Sound Waves

Multiple Choice

A reflected sound wave

• echo

• frequency

• amplitude

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Multiple Select

Can a sound travel through solid?

• Yes

• No

Multiple Choice

Can sound travel through a vacuum?

• Yes

• No

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Multiple Choice

Sound travel at different speeds at different medium. Which container have the loudness sound produced

• Container filled with water

• Container filled with air

• Container filled with flour

Multiple Choice

Which surface of object are good sound absorbers?

• Hard and smooth

• Soft and rough

Multiple Choice

Which of the statement were correct?

• Wave amplitude increases, louder sound is produced

• Wave amplitude increases, softer sound is produced

Multiple Choice

Ultrasound is a type of sound with frequency less than 20000 Hz.

• True

• False

Multiple Choice

The frequency of sound that can be detected by human is within the range of ______________

• 2000-110000

• 67-45000

• 16-12000

• 20-20000

Multiple Choice

Which of the statement below is correct?

• Wave frequency decreases, lower pitch is produced

• Wave frequency increases, higher pitch is produced