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What we will do today:

Learn to calculate wave speed using the relationship between speed, wavelength, and frequency for water, sound, light, radio, and TV waves. Practice examples included!

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What we will do today:

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  1. What we will do today: Carry out calculations involving the relationship between speed, wavelength and frequency for waves.

  2. Speed, frequency & wavelength Are all related by the following equation: Wave speed = frequency x wavelength v = f λ v (m/s) f (Hz) λ (m)

  3. Water & Sound Wave Examples v = fλ

  4. Example 1 v = ? f = 1700 Hz λ= 20 cm

  5. Example 2 v = 340 m/s f = 5 kHz λ= ?

  6. Light, Radio & TV Wave Examples(all travel at v = 3 x 108 m/s) v = fλ

  7. Example 1 v = 3x108 m/s f = 100 MHz λ= ?

  8. Example 2 v = 3x108 m/s λ= 6.5 x 10-7 m f = ?

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