logo

Cambridge IGCSE Physics practice

Paper 3 structured question: Sound

Try the question first, then check the answer and practise the same topic again.

Attempt questionSound revisionRevise the key idea

At a glance

3

Paper

3

Marks

Topic

Sound

Exam-style question

Try this first

Paper 3Theory (Core)3 marks

Application of echoes in technology.

Description

Sonar Technology

Sonar technology uses echoes to detect objects underwater by sending sound waves that reflect off objects and return to the source.

  1. a

    Describe how sonar technology utilizes echoes.

    Aim for approximately 3 distinct marking points.

    [3]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 3 structured question: Sound

Paper 3Theory (Core)1 marks

Description

Echoes

An echo is produced when sound waves reflect off a surface and return to the listener. The time it takes for the echo to return can be used to determine the distance to the reflecting surface.

  1. a

    State the definition of an echo.

    Aim for approximately 1 distinct marking point.

    [1]