Physics 5054 · O Level · Sound

Sound — practice question

The statements are about sound waves. Three words are missing. Sound waves are longitudinal waves made up of areas of greater pressure called gap 1 and areas of lower pressure called gap 2. An echo happens when a sound is gap 3. Which words should fill gaps 1, 2 and 3?

  • A1: compressions; 2: rarefactions; 3: reflected
  • B1: compressions; 2: rarefactions; 3: refracted
  • C1: rarefactions; 2: compressions; 3: refracted
  • D1: rarefactions; 2: compressions; 3: reflected

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI