logo

Learning objective

Identify that humans can hear sounds in the frequency range of approximately 20 Hz to 20 kHz.

Read the explanation, check the common trap, then practise with flashcards and questions.

Practise this topicRead the exam answerTopic hub

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE Combined ScienceWavesCore content

Study support

Understand this objective

Quick explanation

Identify that humans can hear sounds in the frequency range of approximately 20 Hz to 20 kHz

  • This point belongs to Sound, especially Sound outcomes.
  • You need to be able to identify that humans can hear sounds in the frequency range of approximately 20 Hz to 20 kHz.
  • The key ideas to know are State.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

State

Why it matters

This objective helps connect Sound outcomes to exam-style questions, flashcards, and revision notes for Sound.

Revision tools

Choose how to practise

Back to topic hub
Flashcards10 linked cards

Flashcard 1 of 10

Press Space to flip, arrows to move
Practice Questions7 linked questions

Question 1 of 7

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

0 of 5 attempted

Paper 3 structured question: Sound

Paper 3Theory (Core)2 marks

Description

Human Hearing Range

Humans can hear sounds in the frequency range of approximately 20 Hz to 20 kHz.

  1. a

    Explain the significance of the human hearing range in everyday life.

    Aim for approximately 2 distinct marking points.

    [2]
Revision notestopic notes

Open the full topic revision notes when you are ready to review this objective in context.

Open revision notes

Related learning objectives

Revision hubs

Move back to a broader study route

Cambridge IGCSECombined Science resources