Waves

UNIT: WAVES

HOW TO JUSTIFY YOUR ANSWER?  

CENTRAL TOPICS OF UNIT:

• Wave Characteristics

• Wave Phenomena

MATERIALS REQUIRED: (all found below for download)

• Wave Properties & Phenomena Notes Waves Notes

• Wave Properties Question Packet (AND KEY)

• Wave Phenomena Question Packet (AND KEY)

• Refraction Question Packet (AND KEY) 

E-TEXT READINGS: see outline

TEXT READINGS: Ch 14 - 17, & 19

OUTLINE: (consider the links to be HW )

PART I - Wave Characteristics

        · Types of Wave-Longitudinal (Sound) or Transverse (Light)

                    http://www.physicsclassroom.com/Class/waves/U10l1c.cfm

        · Wavelength ( λ in m)

                    http://www.physicsclassroom.com/Class/waves/U10l2a.cfm

        · Electromagnetic Spectrum of light

https://www.physicsclassroom.com/class/light/Lesson-2/The-Electromagnetic-and-Visible-Spectra

        · Sound

            Lessons 1 & 2   https://www.physicsclassroom.com/class/sound

        · Frequency / Pitch ( f in Hz or s-1 or cycle/sec) AND Period ( T in s or s/cycle) [ T = 1/f ]

                    http://www.physicsclassroom.com/Class/waves/U10l0b.cfm

                    http://www.physicsclassroom.com/Class/waves/U10l2b.cfm

        · Speed ( v in m/s) (c = 3x108 m/s for light in vacuum)

                    http://www.physicsclassroom.com/Class/waves/U10l2d.cfm

                    http://www.physicsclassroom.com/Class/waves/u10l2e.cfm

                    http://www.physicsclassroom.com/Class/sound/U11l2c.cfm

            · Amplitude/Intensity ( A in m) 

                    http://www.physicsclassroom.com/Class/waves/U10l2a.cfm

                    http://www.physicsclassroom.com/Class/waves/U10l2c.cfm

            · Phase ( Φ in º or λ)

                        http://www.youtube.com/watch?v=yKL6DjqAm3I

    HW - READINGS & WAVE NATURE QPACKET

SUPPLEMENTAL VIDEOS

Part II = Wave Phenomena - light and/or sound

• ·         Doppler Effect - the apparent change of frequency due to relative motion          between source and observer

  • •  http://www.physicsclassroom.com/Class/waves/u10l3d.cfm

    •  http://www.physicsclassroom.com/Class/sound/u11l3b.cfm

•       Reflection - 'bouncing' of waves off a barrier

  • •  http://www.physicsclassroom.com/Class/sound/u11l3d.cfm

    •  Lesson 1 http://www.physicsclassroom.com/Class/refln/

•      Diffraction - bending of waves around barriers

  • • •  http://www.physicsclassroom.com/Class/sound/u11l3d.cfm

      •  http://www.physicsclassroom.com/Class/light/u12l1a.cfm

• •      Interference - combination of multiple waves 

    •  http://www.physicsclassroom.com/Class/waves/u10l3c.cfm

    •  http://www.physicsclassroom.com/Class/light/U12l1b.cfm

• ·         Standing Waves – result of a reflected wave interfering with the original wave

  • •  http://www.physicsclassroom.com/Class/waves/u10l3c.cfm

    •  http://www.physicsclassroom.com/Class/sound/u11l4c.cfm

• ·          Resonance - amplification using natural (resonant) frequency of objects

  • • http://www.physicsclassroom.com/Class/sound/u11l4a.cfm

    • http://www.physicsclassroom.com/Class/sound/u11l5a.cf

•      Dispersion - separation of polychromatic light

  • •       http://www.physicsclassroom.com/Class/refrn/u14l4a.cfm

• ·         Refraction - bending of light at an interface due to change in speed – includes                                 Index of Refraction and Snell’s Law  (large sub-topic of waves)

  • •       http://www.physicsclassroom.com/Class/sound/u11l3d.cfm

    •       http://www.physicsclassroom.com/Class/refrn/

    • (optional) - Critical Angle - the angle of incidence beyond which Total Internal Reflection occurs.  Example - fiber optic cable

HW - READINGS & WAVE PHENOMENA QPACKET 

 SUPPLEMENTAL VIDEOS

Waves Notes