Skip to content

Course home

Sound

Sound

EasyMedium
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250
Question 205

A bat emits an ultrasonic pulse. An echo returns 0.040 s later from a moth that is 6.8 m from the bat.

What is the speed of the sound wave in air?

A

0.272 m/s0.272\text{ m/s}0.272 m/s

B

0.544 m/s0.544\text{ m/s}0.544 m/s

C

170 m/s170\text{ m/s}170 m/s

D

340 m/s340\text{ m/s}340 m/s

Markscheme

Sound Questions

  1. IGCSE
  2. /Physics
  3. /Sound

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.

Question bank