Wavelength of two notes in air are m and 83 172 83 170 m. These notes when sounded together produce 8 beats per second. Calculate the velocity of sound in air.
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- You pick up an empty 16 oz. plastic coke bottle and blow a steady airstream over the top edge of the bottles mouth to set the air in the bottle into resonance. What is the frequency of the 1st mode for the bottle? (Hint: you’ll need a metric ruler for this question).Pressing down a key on a piano makes a hammer strike a string. The fundamental frequency of a piano string depends on all of the following, except O tension O friction O mass O lengthThe lowest note playable on a piccolo flute has a frequency of about 550 Hz. The portion of the standing wave which fits into the air column of the piccolo at that frequency is just half of a wavelength. The speed of sound is 330 m/s. Find a rough estimate of the size of a piccolo.
- Two pianos each sound the same note simultaneously, but they are both out of tune. On a day when the speed of sound is 341 m/s, piano A produces a wavelength of 0.763 m, while piano B produces a wavelength of 0.780 m. How much time separates successive beats?O 0.5 sec A musical note on a piano has a frequency of 40 Hz. If the tension in the 2-m string is 308 N, and one-half wavelength occupies the string, what is the mass of the wire? 0.031 kg O 0.040 kg O 0.024 kg 0.047 kg O 0.019 kg A mass-spring system oscillates on a frictionless horizontal surface in simple nith an amnlitude A = 0.16 m. At wvhat position (x = ?) would %3D harmA pipe has a length of 0.582 m and is open at both ends. Take the speed ofsound to be v = 343 m/s.(a)Calculate the two lowest harmonics of the pipe (in Hz).(b)Calculate the two lowest harmonics (in Hz) after one end of the pipe is closed.
- Q.9 i) In a physics lab, there is burning smell from the circuit.a) What could be the reason for the burning smell? b) If any of the circuit components are damaged and has to be replaced, what is the besttechnique for this. Define this technique. ii) a) Standard potential energy ‘E’ of a voltaic cell is 1.10V, calculate the potentialenergy at the cathode plate if the potential energy at anode plate is – 0.763V.b) Write any two advantage of a temperature measuring device with mercury.Pipe A is 2 m long and open at both ends. Pipe B is open at one end and closed at the other. Determine the length of pipe B so that it has the same fundamental frequency as A.An air-filled pipe is found to have successive harmonics at 390 Hz, 650 Hz, and 910 Hz. It is unknown whether harmonics below 390 Hz and above 910 Hz exist in the pipe. What is the length of the pipe?
- A pipe of length A has two open ends. Another pipe of length B has one open end and one closed end. The frequency of the first harmonic of both pipes is the same. What is (A/B)?Third harmonic frequency of a tube open both of its ends is 550 Hz. Determine the fourth harmonic frequency of this tube if one end is closed.