Lesson 7 — Wave calculations

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Slide 1 - Diapositive

This lesson
  • Reading wave forms.
  • Discussing the homework.
  • Calculating wave speed and frequency.
  • The distinct sound of a musical instrument.

Slide 2 - Diapositive

Learning goals
  • Name the formula for calculating frequency and be able to apply it in calculations.

  • Name the formula for wave speed and be able to apply it in calculations.

  •  Apply these two new formula's in beginner and more advanced calculations.

  • Explain how instruments get their distinct sound.



    Slide 3 - Diapositive

    v=fλ
    f=T1

    Slide 4 - Diapositive

    Practice exercises
    •  A wave has a period of 0,25 seconds. Calculate the frequency of this wave

    • A wave has a frequency of 440 Hz. Calculate the period of this wave.

    • A wave has a period of 5 seconds. Calculate the frequency of this wave.

    •  A wave has a period of  0,45 seconds and a wavelength of 6 meters. Calculate the wave speed of this wave.

    Slide 5 - Diapositive

    Worksheet — wave calculations 
    v=fλ
    f=T1

    Slide 6 - Diapositive

    The distinct sound of 

    musical instruments

    Slide 7 - Diapositive

    Harmonics

    Slide 8 - Diapositive

    Slide 9 - Diapositive

    Slide 10 - Diapositive

    Worksheet — wave calculations 
    v=fλ
    f=T1

    Slide 11 - Diapositive

    Practice exercises
    •  A wave has a period of 0,25 seconds. Calculate the frequency of this wave

    • A wave has a frequency of 440 Hz. Calculate the period of this wave.

    • A wave has a period of 5 seconds. Calculate the frequency of this wave.

    •  A wave has a period of  0,45 seconds and a wavelength of 6 meters. Calculate the wave speed of this wave.

    Slide 12 - Diapositive