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Explore the Hidden World of Waves with Physics Models

Waves are everywhere, carrying energy, shaping sound, and driving motion, from the gentle rise of crests to the deep fall of troughs. This presentation delves into the anatomy of a wave, breaking down its essential components: amplitude, wavelength, frequency, and velocity. It uses clear explanations and real-life examples to facilitate understanding. With Physics Models, complex wave concepts are made simple and visual, allowing students to easily grasp and remember them. Visit: https://physicsmodels.com/

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Explore the Hidden World of Waves with Physics Models

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Presentation Transcript

  1. The Science of Waves Explaining the Parts of WAVES

  2. Parts of a Wave Crest crest Otherwise known as the peak, the highest point of a wave Rest or Equilibrium Position rest or equilibrium position The undisturbed position of the particles if they do not vibrate Trough through direction of wave propagation The lowest point of a wave

  3. Amplitude PARTS OF A WAVE: amplitude It is the maximum disturbance from the crest of the wave from its rest position. It represents the wave's height. direction of wave travel The unit for amplitude (A) is metres (m).

  4. Wavelength PARTS OF A WAVE: one wavelength It is a set distance that represents the full cycle of a wave. It can be measured from crest to crest, from trough to trough, or any two consecutive points in the wave cycle. direction of wave travel The unit for wavelength (λ, Greek letter lambda) is metres (m).

  5. Frequency PARTS OF A WAVE: low frequency It is the number of waves passing a specific point per second. high frequency The unit of frequency is hertz (Hz), which is equal to 1 cycle per second (1/s).

  6. Velocity of a Wave slower wave faster wave Wave speed, or velocity, is defined as the distance a wave travels per second. We can also define wave speed as the rate at which energy is transferred through a medium. (longer wavelength, lower frequency) (shorter wavelength, higher frequency) The unit for wave velocity is metres per second (m/s). Medium 1 Medium 2 direction of wave travel

  7. Calculating Velocity of a Wave The velocity of a wave depends on its frequency and wavelength. When calculating wave velocity we use the following formula: wave velocity in m/s = frequency in Hertz or 1/s × wavelength in m

  8. Calculating Velocity of a Wave: While at the beach, you observed that the waves hit he shore at a frequency of 0.5 waves per second. You also estimated the distance between the crests of the waves to be 2 metres. What is the velocity of the waves as they travel towards the shore? Sample Problem

  9. Calculating Velocity of a Wave: Here's the information given: frequency (f) = 0.5 waves per second = 0.5/s wavelength (λ) = 2 m Now, we plug these values into the formula: v = f × λ 0.5 v = × 2 m s v = 1 m/s Sample Problem The wave travels at 1 m/s towards the shore.

  10. Contact Us! www.physicsmodels.com physicsmodels@kad24.com

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