Interference Interference of Waves When waves ______ at the same place at the same time, ________________ occurs.

Slides:



Advertisements
Similar presentations
Beats and Resonance Sections 9.3 and 9.4.
Advertisements

Natural Frequency, Interference, and the Doppler Effect Sec 13.7 –
Sound Intensity and Resonance. Intensity – the rate at which energy flows through a unit of area perpendicular to the direction of wave motion. Intensity.
PH 105 Dr. Cecilia Vogel Lecture 6. OUTLINE  Natural or Normal Modes  Driving force  Resonance  Helmholtz resonator  Standing Waves  Strings and.
Sound Waves - Beats Wei-En Hsu Center for Advanced Computation and Telecommunications UMass Lowell.
Pitch How “high or low” a sound seems to be. (Bass vs. Treble) High pitch = high frequency [
Ch Waves & Sound III. Music Music vs. Noise Resonance Harmonics
Resonance, Sound Intensity, & Sound Quality Resonance, Sound Intensity, & Sound Quality.
The Principle of Linear Superposition and Interference Phenomena CHAPTER 17 Interference Constructive and Destructive Interference: BEATS Standing Waves:
Stringed Instruments (Ex. Guitars, pianos, violins)  Vibrating the string sets up a standing wave, the vibration from the string resonate the sounding.
resonance occurs when a medium vibrates at the same frequency as the external vibrating force causing the vibration. If the forcing frequency equals.
Waves. Wave: A disturbance that is transmitted from one place to the next with no actual transport of matter. All waves start with a vibration. All waves.
Chapter 1 Interactions of waves. Key Terms Reflection Refraction Interference Constructive interference Standing wave Antinode Law of reflection Diffraction.
Sound Intensity and Resonance
Waves – Chapter 10.2 – 10.5 Transverse vs longitudinal Frequency f, wavelength, period T, wave speed – v = f Harmonic waves: y(x) = Asin(kx); with k =
Wave Interactions Pre-Assessment. 1. Define Reflection The bouncing back of a wave when it meets a surface boundary The bouncing back of a wave when it.
Chapter 22 Objectives Describe reflection, refraction, diffraction, and interference. Compare destructive interference with constructive interference.
Chapter 8.2 Notes Wave Interactions Wave Interactions.
Chapter 26 Sound. Sound is a form of energy that spreads out through space.
Guitar Strings and Crumbling Bridges Standing Waves and Resonance.
Wave Interactions.
Wave Behavior Notes. Reflection Reflection involves a change in direction of waves when they bounce off a barrier.
Harmonics. Each instrument has a mixture of harmonics at varying intensities Principle of superposition Periodics- Repeating patterns of waveforms.
Light & Sound Regents Physics Mr. Rockensies. Homework Answers 22) 32 m 23) s 24) 3.03 s 25) 0 m 26) 2 m/s 27) 2 m/s 2 28) 7.35 m 29) 432 m 30)
Wave Interference. When several waves are in the same location, the waves combine to produce a single new wave that is different from the original wave.
Chapter 26 Review Applied Physics. Vocabulary Your vocabulary assessment will consist of matching words and definitions. Your vocabulary assessment will.
Chapter 20 – The Energy of Waves
Mr. Kuffer. Wave Interference When two wave pass each other their superposition causes reinforcement or cancellation.
Waves and Sound Honors Physics.
APHY201 2/3/ Resonance   Matching an object’s natural frequency with an external force   Since most objects have elastic properties, resonance.
Resonance. Resonance of Sound waves Strike one fork with a rubber hammer, then cover the fork. Describe what you hear? tuning fork Sound box.
Beat Frequency beat frequency is a fluctuating volume of sound it occurs when two sound waves of slightly different frequency are heard together constructive.
The Principle of Linear Superposition and Interference Phenomena CHAPTER 17 Interference Constructive and Destructive Interference: BEATS Standing Waves:
Sound. All sounds are produced by the vibrations of material objects They are compressional waves carried by a medium (air, water, solid) The molecules.
Sound. The origin of sound All sound are produced by the vibrations of material objects. Our voice results from the vibration of our vocal chords. Sound.
Wave Interactions Chapter 15.3 Notes. Section Overview Reflection occurs when a wave meets a surface or boundary and bounces back Diffraction occurs when.
Nick Cavalieri & Joe Spinelli
Sound waves are longitudinal waves Loudness is connected to the amplitude – Larger amplitude means louder sound Pitch is connected to frequency and wavelength.
 The of an object that is made to vibrate by that is  a tuning fork   the sound through vibrations  a guitar.
Music Music is a “ pleasant ” sound (longitudinal) wave. The pitch is the frequency of the wave. The loudness is the amplitude of the wave. Music is made.
~ Sound ~ The Nature of Sound  Speed of Sound  Human hearing  Doppler effect  “Seeing” with sound.
Ch Sound waves are produced by vibrations of material objects 2. Pitch is the frequency of a sound wave 3. Average range of hearing is 20-20,000.
SOUND Ch. 26.
All of these behaviors occur with mechanical and electromagnetic waves
Waves: Sound and Light IPC Unit 6.
(Road to discuss harmony)
Chapter 26: Sound.
Conceptual Physics Notes on Chapter 26 Sound.
MECHANICAL WAVES AND SOUND
Chapter 15: Wave motion.
Interactions of Waves Chapter 15 Section 3.
Notes 21.2: RESONANCE.
Wave interference and Beat Frequency
Please take out: Sound Station Lab
Interference.
SOUND Energy.
Standing waves review A standing wave occurs when there is constructive interference between a wave and it reflections from a boundary.
8.P.3A.4 Notes
Ch Waves & Sound III. Music Music vs. Noise Resonance Harmonics
Ch Waves & Sound III. Music Music vs. Noise Resonance Harmonics
Section 3-3 Wave Interactions.
WAVE PROPERTIES 1) Reflection- Wave is turned back due to a barrier. (Ex- echo) Law of reflection: When a wave is reflected at a boundary, the incident.
Ch Waves & Sound III. Music Music vs. Noise Resonance Harmonics
(WAVE TEST REVIEW WORKSHEET)
Wave Interference.
1 If a guitar string has a fundamental frequency of 500 Hz, which one of the following frequencies can set the string into resonant vibration? (A) 250.
Interference and Resonance
SOUND Energy.
Ch Waves & Sound III. Music Music vs. Noise Resonance Harmonics
SOUND Ch. 26.
Presentation transcript:

Interference

Interference of Waves When waves ______ at the same place at the same time, ________________ occurs

Constructive interference - When _____________ parts of a wave _________ Ex: crest/crest, compression/compression -_________ on each other -Also called reinforcement or ___ _________

- when the _____________ parts of a wave __________ -________ _______ ________ _________ -Crest/trough, compression/rarefaction -Also called _____ ___ ___________ Destructive interference

Unit 6 Waves/Sound Resonance – when the frequency of a _______ vibration on an object matches the ___________ frequency of that object. _______s – effect that results when __ _________of slightly different frequencies are sounded _____________. Some __________ (louder) and some _____________ (softer)

Beats

Resonance

One Result of Superposition Standing Wave: ____ __________travelling in ___________ directions with the same _______________ and ____________

Standing Waves The ___________ conditions and s________ of waves determine which ____________ are allowed. The ends of the __________ cavity have forced _________ or _____________

Closed at One End L AntinodeNode