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Emergence of Modern Science

Emergence of Modern Science. NS 1300 Dr. Hoge. Is the invisibility cloak real? How does it work?. Waves. A wave is a wiggle in time. Characteristics of Waves. Wavelength Amplitude Frequency Velocity ( remember, velocity includes the vector and magnitude ). Longitudinal Waves. Sound

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Emergence of Modern Science

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  1. Emergence of Modern Science NS 1300 Dr. Hoge

  2. Is the invisibility cloak real? How does it work?

  3. Waves • A wave is a wiggle in time

  4. Characteristics of Waves • Wavelength • Amplitude • Frequency • Velocity (remember, velocity includes the vector and magnitude)

  5. Longitudinal Waves • Sound • P waves

  6. Acoustics • Interference • Resonance • Doppler Effect • Volume (amplitude of the wave) • Pitch (frequency)

  7. So, how do speakers work?

  8. Transverse Waves • The electromagnetic spectrum • S waves

  9. The Electromagnetic Spectrum • Gamma Rays • Cosmic Rays • X-Rays • Ultraviolet Radiation • Visible Light Spectrum • Infrared Radiation • Microwaves • Radio Waves

  10. Electromagnetic Waves • Wave / Particle Duality

  11. Light • The speed of light is a constant – c • Color • Red Shift / Blue Shift

  12. Properties of Light (and other waves) • Transmission • Reflection • Refraction • Interference • Resonance • Polarization

  13. Lenses • Concave Lenses • Convex Lenses • Focal Point

  14. Photoelectric Effect • Photons and electrons are quantum particles

  15. So, how does my TV work? How about night vision goggles?

  16. The Human Eye

  17. Quiz • 1. T or F, a wave is a wiggle in time. • 2. T or F, all waves require a medium to travel through. • 3. T or F, refraction is the bending of a wave. • 4. T or F, a concave lens makes objects look bigger. • 5. T or F, the photoelectric effect occurs when a flow of electrons is used to create light.

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