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Understanding Waves: Frequency, Velocity, and Interference

This comprehensive guide explores the fundamental concepts of wave physics, including frequency, velocity, wavelength, and interference. We delve into the measurements associated with these properties, answering critical problems such as calculating wave velocity, determining frequency from given parameters, and identifying types of wave interference. The guide also clarifies the behavior of waves as they transition between mediums and highlights the significance of these concepts in various physical contexts, including sound waves and optics.

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Understanding Waves: Frequency, Velocity, and Interference

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Presentation Transcript

  1. Wave Whiteboard Activity 2013

  2. Problem 1: • What is measured in Hz? • Frequency • What is measured in m/s? • Velocity • What is measured in m? • Wavelength

  3. Problem 2: • What is the velocity of a wave with a frequency of 760 Hz and a wavelength of 0.45 m? • 342 m/s

  4. Problem 3: • A wave has a velocity of 330 m/s and its wavelength is 15 m. Calculate the frequency of the wave. • 22 Hz

  5. Problem 4: • The pitch of a sound is determined by what wave characteristic? • Frequency

  6. Problem 5: • This is what type of interference? • Destructive

  7. Problem 6: • The particles in a compressional wave move _______________ to the direction the wave is moving. • parallel

  8. Problem 7: • Which of the following is an example of a compressional wave? • Water wave • Rope wave • Sound wave • The “wave” at a baseball game Sound Wave

  9. Problem 8: • A wave is a disturbance that carries what? • Energy

  10. Problem 9: • Diverging lenses are useful to people who suffer nearsightedness because the lenses can cause images of distant objects to be focused on the retina. Lenses allow images to be focused on the retina because of -- • Diffusion • Reflection • Diffraction • Refraction • Refraction

  11. Problem 10: • A is diffraction • B is reflection • C is refraction

  12. Problem 11: • Which wave behavior property occurs when a wave bends while change from one medium to another? • Refraction

  13. Problem 12: • Which wave behavior property occurs when a wave bounces off a surface? • Reflection

  14. Problem 13: • This is what type of interference? • Constructive

  15. Problem 14: • The matter through which a wave travels is called the? • medium

  16. Problem 15: • Which wave property occurs when two waves meet and form one wave? • Interference

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