A songbird communicates with other birds by emitting sounds in the frequency range 1–8 kHz1\text{--}8\text{ kHz}1–8 kHz.
State the value of the speed of sound in air and state how the speed of sound in water differs from the speed of sound in air.
State and explain if humans with normal hearing can hear all the sounds emitted by this bird.
Complete the table to describe differences in loudness and pitch of two different bird sounds:
| Frequency / kHz\text{kHz}kHz | Amplitude | Loudness | Pitch |
|---|---|---|---|
| 777 | large | ||
| 222 | small |
Complete the sentences to describe how sound is transmitted through a medium.
"Sound waves are made of vibrating __________ which produce compressions and rarefactions. A compression is a region of __________ and a rarefaction is a region of __________. The sound waves travel __________ to the direction of the vibrations."
295 exam-style questions on CIE IGCSE Physics Sound, covering Sound. Each one has a worked solution and a mark scheme showing where the marks go.