1. 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.