Elephants can hear sounds in the range from 5 Hz to 12 kHz12\text{ kHz}12 kHz. Which statement is correct?
Any sound an elephant can hear can also be heard by a human.
Any sound a human can hear can also be heard by an elephant.
Elephants can hear some low-frequency sounds that are silent for humans.
Elephants can hear some high-frequency sounds that are silent for humans.
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.