EASY
Upper Secondary-IGCSE
IMPORTANT
Earn 100

State the one word that describes the movement of a source of the sound.

Important Questions on Sound

EASY
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>Exercise 12.1>Q 1
State which part of a guitar moves to produce a sound.
EASY
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>Exercise 12.1>Q 1
State what moves when a wind instrument such as a flute produces a sound.
EASY
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>Exercise 12.1>Q 1
State what we call a reflected sound.
EASY
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>Exercise 12.1>Q 2
State the speed of sound in air.
EASY
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>Exercise 12.1>Q 3
State the normal hearing range for humans.
EASY
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>Exercise 12.1>Q 4
Arun can hear sounds with frequencies up to 20 kHz. His grandfather cannot hear sounds above 12 kHz. Which two of the following sound frequencies will Arun hear, but his grandfather will not?
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>Exercise 12.1>Q 5
You can probably hear notes of higher pitch than your teacher. Describe how you would show this in the school laboratory.
EASY
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 12 - Sound>Exercise 12.1>Q 6
Calculate how long a sound will take to travel 1 km in air. Give your answer in seconds, to one decimal place.