Everything Science Grade 11

CHAPTER 15. SOUND 15.4 Intensity is defined as: Intensity = energy time× area = power area By the definition of intensity, we ca ...

15.5 CHAPTER 15. SOUND their parking bays. Writeup your conclusions in aone page report. Someprior research into the importance ...

CHAPTER 15. SOUND 15.6 known and the time lapse between sending andreceiving the sound canbe measured, the distance from the shi ...

15.6 CHAPTER 15. SOUND Chapter 15 — Summary See the summary presentation ( Presentation: VPkza at http://www.everythingscience.c ...

CHAPTER 15. SOUND 15.6 b. hit the drum less hard c. hit the drum near theedge d. loosen the drum skin e. tighten the drum skin ...

15.6 CHAPTER 15. SOUND A jet fighter travelsslower than the speed of sound. Its speed is saidto be: a. Mach 1 b. supersonic c. ...

CHAPTER 15. SOUND 15.6 Calculate the frequency (in Hz) and wavelength of the annoying sound made by a mosquito when it beatsits ...

The Physics of Music 16 16.1 Introduction ESBGY What is your favourite musical instrument? Howdo you play it? Do youpluck a stri ...

CHAPTER 16. THE PHYSICS OF MUSIC 16.2 You have learned that the frequency of a standing wave depends on thelength of the wave. T ...

16.2 CHAPTER 16. THE PHYSICS OF MUSIC Use the chart to finda formula for the wavelength in terms of the number of nodes. You s ...

CHAPTER 16. THE PHYSICS OF MUSIC 16.2 Extension: Guitar Guitars use strings withhigh tension. The length, tension and mass of th ...

16.3 CHAPTER 16. THE PHYSICS OF MUSIC � � � �� �� � � � � � � � wooden body keyboard music stand soundboard soft pedal sustain ( ...

CHAPTER 16. THE PHYSICS OF MUSIC 16.3 This chart shows some standing waves in a pipeopen at both ends. Thepipe (shown with dashe ...

16.3 CHAPTER 16. THE PHYSICS OF MUSIC SOLUTION The main frequency of anote is the fundamentalfrequency. The fundamental frequenc ...

CHAPTER 16. THE PHYSICS OF MUSIC 16.3 SOLUTION We can calculate the length of the flute from λ =^2 nLbut Step 1 : We need to cal ...

16.3 CHAPTER 16. THE PHYSICS OF MUSIC fundamental frequency first harmonic second harmonic Figure 16.3: Harmonicsin a pipe open ...

CHAPTER 16. THE PHYSICS OF MUSIC 16.3 Example 4: The Clarinet QUESTION A clarinet can be modelled as a wooden pipe closed on one ...

16.4 CHAPTER 16. THE PHYSICS OF MUSIC For example, suppose the base note of a scale isa frequency of 110 Hz (a low A). The first ...

CHAPTER 16. THE PHYSICS OF MUSIC 16.4 Conclusions: The difference between the two resonance water levels (i.e. L = LA− LB) is ha ...

16.5 CHAPTER 16. THE PHYSICS OF MUSIC L 1 = 18,2 cm L 2 = 50,3 cm f = 512 Hz v =? Remember that: v = f× λ We have values for f a ...