Example 5.10 Amplitudes associated with a plane wave in water @ 20˚C (r = 998 kg/m3 and c = 1481 m/s) Frequency (kHz) I (W/m2) P (kPa) Prms (kParms) 0.

Slides:



Advertisements
Similar presentations
© Oxford University Press 2011 IP The wave equation The wave equation.
Advertisements

SPH3U Exam Review Waves and Sound.
INTRODUCTION TO HEARING. WHAT IS SOUND? amplitude Intensity measured in decibels.
The velocity of sound in glycerol is m/s
Chapter-16 (continued) The Nature of Sound Longitudinal Sound Waves Sound in air is a longitudinal wave that is created by a vibrating object, such.
Sound. Sound Waves  Sound waves are longitudinal waves.  The source of a sound wave is a vibrating object.  Only certain wavelengths of longitudinal.
Principle of Superposition Interference Stationary Waves
Doppler Effect Physics 202 Professor Lee Carkner Lecture 11.
© 2010 Pearson Education, Inc. Slide Traveling Waves and Sound.
Acoustics Seminary 3. Problem 3.1 Getting acquainted with Fletcher curves The 10 kHz sinusoidal signal of a wave generator is connected to a loudspeaker.
Sound. Sound waves are longitudinal pressure waves.
Sound. If a tree falls in the forest and there is nobody around does it make a sound?
Reflection A wave is reflected when it comes into contact with a barrier A wave is reflected when it comes into contact with a barrier Law of Reflection.
16.5 The Nature of Sound Longitudinal Sound Waves Sound in air is a longitudinal wave that is created by a vibrating object, such as a guitar string, the.
WEEK 12 Revision class 2. Threshold of pain 140dB Threshold of hearing is 0dB.
Year 10 Physics Rotation Version What are waves? A wave is a means of transferring energy and momentum from one point to another without there being.
Definition Periodic variation in air pressure As we speak, vibrations created by our vocal cords travel in the medium of air These vibrations travel through.
Sound. Speed of sound in solids, liquids, and gases Speed of sound in gas (air): 344 m/sec. Speed of sound in liquid (water): 1100 m/sec Speed of sound.
Environmental Technology Noise Assessment & Abatement Module 7.0.
SOUND Longitudinal Wave Travels through some medium Cannot travel through a vacuum How does vibrating drum produce sound? Skin moving up presses air.
Sound and Intensity Transverse vs. Longitudinal Waves Sound Frequency
Week 2 Sound Physics, Ranges of Hearing Frequency, Wavelength, Period, Velocity Audio Engineering & Sound Production Unit code: AUD202 AUDIO & ACOUSTICS.
Types of Traveling Waves
Dept. of Mech. Engineering University of Kentucky 1 Wave Motion – Some Basics Sound waves are pressure disturbances in fluids, such as air, caused by vibration,
Tags Tags Biopsy samples Biopsy samples Photos Photos Studying Whales.
Sound Waves You Have to Hear This!!!! Producing a Sound Wave Like all waves, sound waves are produced by a ________.  A tuning fork ________ to produce.
What is the wavelength? What is the amplitude?.
SOUND WAVES & BEAT FREQUENCY. SOUND WAVES Sound waves are caused by vibrations Vibrations cause contraction and expansion of an object, which creates.
Instructor: M Sc. Eng. Nagham Ali Hasan 2 nd semester 2008/2009 University of Palestine College of Applied Engineering & Urban Planning Department of Architecture,
Physics Sound 12.1 Characteristics of Sound 12.2 Intensity of Sound - Decibels 12.5 Vibrating Strings and Air Columns 12.7 Interference of Sound.
Chapter 15 - Sound Sound wave is a longitudinal wave.
Frequency Period Wavelength
C H A P T E R 16 Waves and Sound The Nature of Waves.
C H A P T E R 16 Waves and Sound A fighter jet emerges from a cloud caused when it breaks through the sound barrier.
CHAPTER 12: SOUND Sound is a longitudinal wave. Sound comes from a source, travels in a medium, as longitudinal waves, and is sensed by our ear.
Calculating Wave Speed. Wave Speed v fλ Practice Problem #1 What is the speed of a sound wave that has a wavelength of 2 m and a frequency of Hz?
V f λ.
If y = 0.04 sin (40x - 400t) (SI units), and if the mass density of the string on which the wave propagates is kg/m, then the transmitted power wave.
What is sound? Sound is a longitudinal wave which travels through the air through a series of compressions and rarefactions.
The reading is 7.38 mm. The reading is 7.72 mm.
PROPERTIES OF WAVES. Waves A wave is a means of transferring energy and information from one point to another without there being any transfer of matter.
Wave speed equation v=ƒλ.
Resources Doppler automation:
Speed Formula - Waves.
Main Speaker – 5732 Specifications Frequency Response
V f λ.
Sound Intensity & Resonance
Sound Intensity and Resonance
Sound Waves.
Which Way Did That Thing Go?
Sound waves.
سازه هوای فشرده.
The Wave Equation Aim Be able to use the wave equation in calculations.
Calculating Wave Speed
Wave Velocity.
What we will do today: Carry out calculations involving the relationship between speed, wavelength and frequency for waves.
Notes 21.1 – Properties of Sound
Wave Frequency and Speed
Guitar Strings and Crumbling Bridges
24.2 Speed of Waves.
Sound and HOW WE Hear it.
Cornell Notes Sound Waves
Unit 7 Waves & Beaches.
The Nature of Sound Physics Chapter 16A.
The speed of light in air is essentially c. (c = 3.00x108 m/s).
Properties of Waves.
Features of A Wave Crest and Trough Crest:
Quiz 4 Review energy matter (medium) Electromagnetic water air sound
Chapter 12 Notes.
Sound.
Presentation transcript:

Example 5.10 Amplitudes associated with a plane wave in water @ 20˚C (r = 998 kg/m3 and c = 1481 m/s) Frequency (kHz) I (W/m2) P (kPa) Prms (kParms) 0 (mm) U (m/s) A (m/s2) s SPL (dB re 20 mPa) 24 796 48.5403 34.3232 0.2175 0.0328 4945.7415 2.2E-05 184.69 1 1,000 54.4059 38.4708 5.85066 0.03676 230.97429 2.5E-05 185.68 0.00585 230974.29 1.72047 1.21655 0.18501 0.00116 7.3040484 7.9E-07 155.68 0.00019 7304.0484 Amplitudes associated with a plane wave in air @ 20˚C (r = 1.21 kg/m3 and c = 343 m/s) Frequency (kHz) I (W/m2) P (kPa) Prms (kParms) 0 (mm) U (m/s) A (m/s2) s SPL (dB re 20 mPa) 1 1,000 0.91104 0.6442 349.391 2.19529 13793.372 0.0064 150.16 0.34939 13793372 0.02881 0.02037 11.0487 0.06942 436.18472 0.0002 120.16 0.01105 436184.72 0.001 0.00091 0.00064 0.0022 13.793372 6.4E-06 90.16 0.00035