Waves, sound and light: Describe, analyse and apply principles of longitudinal waves in everyday life
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Subject outcome
Subject outcome 3.1: Describe, analyse and apply principles of longitudinal waves in everyday life
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Learning outcomes
- Describe the production and propagation of longitudinal waves in various media.
- Identify examples of longitudinal waves and differentiate between sound and radio waves.
- Describe and calculate:
- wave speed
- wavelength
- frequency
- amplitude.
- Differentiate between:
- intensity and loudness
- pitch and tone.
- Describe interference and reflection in sound and give examples.
- Identify and describe resonance in musical instruments and structures (building and bridges).
![](http://ncvs3.books.nba.co.za/wp-content/themes/nba-ncv/icons/024-trophy.png)
Unit 1 outcomes
By the end of this unit you will be able to:
- Identify examples of longitudinal waves.
- Describe the production and propagation of longitudinal waves in various media.
- Describe and calculate:
- wave speed
- wavelength
- frequency
- amplitude.
- Differentiate between sound and radio waves.
![](http://ncvs3.books.nba.co.za/wp-content/themes/nba-ncv/icons/024-trophy.png)
Unit 2 outcomes
By the end of this unit you will be able to:
- Differentiate between:
- intensity and loudness
- pitch and tone.
- Describe interference and reflection in sound and give examples.
![](http://ncvs3.books.nba.co.za/wp-content/themes/nba-ncv/icons/024-trophy.png)
Unit 3 outcomes
By the end of this unit you will be able to:
- Identify and describe resonance in musical instruments and structures (building and bridges).