Presentation is loading. Please wait.

Presentation is loading. Please wait.

Waves Standing Waves Created by Joshua Toebbe NOHS 2015.

Published byAshlyn Wilson Modified over 8 years ago

Similar presentations

Presentation on theme: "Waves Standing Waves Created by Joshua Toebbe NOHS 2015."— Presentation transcript:

1 Waves Standing Waves Created by Joshua Toebbe NOHS 2015

2 Doppler Effect Created by Joshua Toebbe NOHS 2015

3 Doppler Effect When we think of a wave on a string most people would think of something like this: Created by Joshua Toebbe NOHS 2015 www.pixshark.com

4 Doppler Effect While that is a possibility there are so many more options, some of which can even take place at the same time. For example, we could fit half a wavelength on the string. Created by Joshua Toebbe NOHS 2015 www.blogs.elcorreo.com

5 Doppler Effect Or, we could fit a whole wavelength on the string. Created by Joshua Toebbe NOHS 2015 www.blogs.elcorreo.com

6 Doppler Effect Or, we could fit one and a half wavelengths on the string. Created by Joshua Toebbe NOHS 2015 www.blogs.elcorreo.com

7 Doppler Effect And so on and so on. But every wavelength that fits on the string must be a multiple of the strings length. Since both ends are fixed there is no way you could fit a quarter wavelength on the string, the fixed end would have to disconnect. Created by Joshua Toebbe NOHS 2015

8 Doppler Effect So lets take a closer look at the anatomy of a wave on a string. First a review: Created by Joshua Toebbe NOHS 2015

9 Doppler Effect So lets take a closer look at the anatomy of a wave on a string. On to the new stuff: Created by Joshua Toebbe NOHS 2015

10 Doppler Effect Created by Joshua Toebbe NOHS 2015 A node is a point of maximum displacement. An anti-node is a fixed point. The number of nodes and anti-nodes is directly related to the number of wavelengths on the string.

11 Doppler Effect Each wave that can fit on the string is called a mode. Created by Joshua Toebbe NOHS 2015

12 Doppler Effect They are also known as harmonics, especially when dealing with sound. Created by Joshua Toebbe NOHS 2015

13 Doppler Effect After all, stringed instruments simply make sound by vibrating strings at a pleasant frequency. Created by Joshua Toebbe NOHS 2015 www.mylespaul.com

14 Doppler Effect Created by Joshua Toebbe NOHS 2015 Take a second and see if you can create a formula for how wavelengths shown below are related to the length of the string.

15 Doppler Effect Created by Joshua Toebbe NOHS 2015 This is what I came up with…

16 Doppler Effect Created by Joshua Toebbe NOHS 2015

17 Doppler Effect Created by Joshua Toebbe NOHS 2015

18 Doppler Effect Created by Joshua Toebbe NOHS 2015

19 Doppler Effect Example #1: particular string has a mass of 6 kilograms and is 24 meters long. If the fundamental harmonic frequency is measured to be 4.7 cyc/sec, what is the tension on the string. Created by Joshua Toebbe NOHS 2015

20 Doppler Effect Created by Joshua Toebbe NOHS 2015

21 Doppler Effect Created by Joshua Toebbe NOHS 2015

22 Doppler Effect Example #2: What is the fundamental frequency for the diagram shown below? Created by Joshua Toebbe NOHS 2015 mass=3 kg

23 Doppler Effect Created by Joshua Toebbe NOHS 2015 mass=3 kg

24 Doppler Effect Created by Joshua Toebbe NOHS 2015 mass=3 kg

Download ppt "Waves Standing Waves Created by Joshua Toebbe NOHS 2015."

Similar presentations

Applications of Resonance Harmonics and Beats. Beats Not that kind Not that kind This is due to the interference of two waves of similar frequencies.

Applications of Resonance Harmonics and Beats. Beats Not that kind Not that kind This is due to the interference of two waves of similar frequencies.
Sound & Waves Review A Brief Glance at the Main Topics of Sound Physics 432.

Sound & Waves Review A Brief Glance at the Main Topics of Sound Physics 432.
The Vibrating String.  During the last lab you explored the superposition of waves.  When two waves or more occupy the same region of a medium at the.

The Vibrating String.  During the last lab you explored the superposition of waves.  When two waves or more occupy the same region of a medium at the.
1. If this standing wave is 3.2 m long, what is the wavelength? (2.56 m)

1. If this standing wave is 3.2 m long, what is the wavelength? (2.56 m)
1.17 Standing Waves on a String of Length L When looking at standing waves we assumed that medium was of infinite extent. What happens if the medium has.

1.17 Standing Waves on a String of Length L When looking at standing waves we assumed that medium was of infinite extent. What happens if the medium has.
Summary Sinusoidal wave on a string Wavefunction.

Summary Sinusoidal wave on a string Wavefunction.
Standing Waves Physics 11. Standing Waves When a wave travels in a medium of fixed length and is either forced at a specific frequency or most of the.

Standing Waves Physics 11. Standing Waves When a wave travels in a medium of fixed length and is either forced at a specific frequency or most of the.
Sound Interference Positions of zero displacement resulting from destructive interference are referred to as: A. antinodes B. nodes C. supercrests D. supertroughs.

Sound Interference Positions of zero displacement resulting from destructive interference are referred to as: A. antinodes B. nodes C. supercrests D. supertroughs.
11: Wave Phenomena 11.1 Standing (Stationary) Waves.

11: Wave Phenomena 11.1 Standing (Stationary) Waves.
THE PHYSICS OF MUSIC ♫. MUSIC Musical Tone- Pleasing sounds that have periodic wave patterns. Quality of sound- distinguishes identical notes from different.

THE PHYSICS OF MUSIC ♫. MUSIC Musical Tone- Pleasing sounds that have periodic wave patterns. Quality of sound- distinguishes identical notes from different.
Musical Instruments. Standing Waves  Waves that reflect back and forth interfere.  Some points are always at rest – standing waves.

Musical Instruments. Standing Waves  Waves that reflect back and forth interfere.  Some points are always at rest – standing waves.
Sound quality and instruments  Different notes correspond to different frequencies  The equally tempered scaled is set up off of 440 A  meaning the.

Sound quality and instruments  Different notes correspond to different frequencies  The equally tempered scaled is set up off of 440 A  meaning the.
A “physical phenomenon that stimulates the sense of hearing.”

A “physical phenomenon that stimulates the sense of hearing.”
Stringed Instruments (Ex. Guitars, pianos, violins)  Vibrating the string sets up a standing wave, the vibration from the string resonate the sounding.

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.

resonance occurs when a medium vibrates at the same frequency as the external vibrating force causing the vibration. If the forcing frequency equals.
Stationary Waves Stationary waves are produced by superposition of two progressive waves of equal amplitude and frequency, travelling with the same speed.

Stationary Waves Stationary waves are produced by superposition of two progressive waves of equal amplitude and frequency, travelling with the same speed.
Physics.

Physics.
 Universal Wave Equation. A harp string supports a wave with a wavelength of 2.3m and a frequency of 220.0 Hz. Calculate its wave speed.

 Universal Wave Equation. A harp string supports a wave with a wavelength of 2.3m and a frequency of Hz. Calculate its wave speed.
Superposition of waves Standing waves on a string Interference Lecture 27: Wave interference.

Superposition of waves Standing waves on a string Interference Lecture 27: Wave interference.
Physics Chp 13 SOUND. Compression vs Rarefaction Pitch – how we perceive the frequency Speed depends on medium (air, water, ice) 3D – goes in all directions.

Physics Chp 13 SOUND. Compression vs Rarefaction Pitch – how we perceive the frequency Speed depends on medium (air, water, ice) 3D – goes in all directions.

Similar presentations

Ads by Google