EASY
Upper Secondary-IGCSE
IMPORTANT
Earn 100

State what instrument we used to detect sound waves in the school laboratory.

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Important Questions on Sound

EASY
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>Exercise 12.3>Q 3
State what instrument do we use to display sound waves on a screen.
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>Exercise 12.3>Q 4
A drummer strikes the horizontal surface of a drum so that a sound wave travels upwards from the surface of the drum. Describe how molecules of the air above the drum will move as the sound wave travels upwards. It may help to include a simple diagram.
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>Exercise 12.4>Q 2
State three uses of ultrasound and for each, give a brief description of how it is useful.
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>Exercise 12.4>Q 3
In the 1980s the use of magnetic cassette tapes became widespread to store music. Today, music is stored on phones or streamed through an app. Apart from the storage device, state the other fundamental difference between the music stored on a cassette and that stored on a phone.
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>Exercise 12.4>Q 4
In the 1980s the use of magnetic cassette tapes became widespread to store music. Today, music is stored on phones or streamed through an app. Describe the benefits of transmitting and storing signals in this form.
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>PEER ASSESSMENT>Q 1
Can you think of any disadvantages of digital for transmission and for storage?