Which statement is true about voice? A. Voice uses a wider range of pitch and volume as compared to speaking. B. The greater the tenslon on the vocal chords, the lower the pitch. C. Women can produce a lower range of pitches as compared to men. D. African singers sit on the floor while singing

Q: Which of the following statements are correct? Which one or more? a. The perceived…

A: The perceived loudness of a sound is a subjective measure of how loud a sound seems to a listener,…

Q: Consider a pipe of length L that is open at both ends. What are the wavelengths of the three…

A: Given ,Length of the pipe = L Let , wavelength = λSo , Length of the pipe is given by , L = nλ / 2…

Q: A steel wire in a piano has a length of 1.35 m and a mass of 1.85 x 10² Kg. The wire must be…

A: Part (a): Let m be the mass of the wire and L’ denotes its length. Then the linear density of the…

Q: What is the difference in sound levels of two sounds having intensities of 10 and 500 µW/cm^2? A. 13…

A:

Q: An accelerating object of mass m=1 kg is fired with an initial speed v-2 m/s at a starting point. If…

A:

Q: ) A light ray is incident on one side of a right prism at a distance AB = 1 cm from the apex. After…

A: In triangle ABC

Q: 2. Loudness is a physiological sensation sensed by the brain. Loudness varies nearly as the…

A: a) Busy street traffic = 70 dB     Close whisper = 20 dB=70-20=50 dBb) Factors on which loudness of…

Q: A 1.30-m string is held fixed at both ends. When driven by a 140-Hz source, the string vibrates in 4…

A:

Q: A window whose area is 1.5 m² open onto a street. Sound at an intensity level of 75 dB enters the…

A: Since you have asked multiple questions, here the first question is incomplete so we will solve the…

Q: Draw and find the frequencies of first 2 harmonics for following tubes a. A tube open at both ends…

A: open tube : if two ends of the pipe are open it is called open tube closed tube : if one end of the…

Q: Select the correct expressions for the first three overtones of an open pipe with the fundamental…

A:

Q: QUESTION 23 A string with two fixed ends has a mass of 2.0 g and a length of 40 cm. If the string is…

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Q: 11. If 1 bug makes a sound of 8 dB then what will 25 bugs sound like?

A: 11) Given, Sound intensity level of 1 bug is 8dB.

Q: 2. A train coming toward you (you are stationary) blows a steady tone whistle that sounds like 800…

A: Step 1: Doppler Effect: The phenomenon in which there is an increase or decrease in the frequency…

Q: 9.What is the difference in sound intensity levels at 0.10 m and 10.0 m?

A:

Q: Assuming that you have normal hearing, why would your voice appear louder when your plug both ears?

A: The correct answer is option B i.e. The amplification of competing environmental sound by the middle…

Q: Which of these is the reason why sound can be propagated away from the source? a. condensations have…

A: Given, to find which of the reason is responsible for the sound wave to propagate away from the…

Q: An 180 dB sound can cause permanent hearing damage. By what factor is this larger than the quietest…

A: The quietest audible sound for human is 0 dB.

Q: 3. The speed of sound on any given string is given by the formula F m Where Fis the force along the…

A:

Q: When a sound wave creates a standing wave in a pipe that is closed at one end, the closed end of the…

A: The closed end of pipe is usually considered as pressure node when a sound wave creates a standing…

Q: Would you expect the pitch produced by tapping a glass of water to increase or decrease as the water…

A: sound travel through the vibration of particles of the medium of the sound wave. the greater the…

Q: 2. A stretched string has a line density of 0.0064 kg/m, tension of 1082 N, and sounds the note D4.…

A: Given, Linear density of string,μ = 0.0064 kg/m Tension , T = 1082 N Sounds the note D4 Frequency of…

Q: A string on a guitar produces 431 Hz sound. How to increase the pitch of the sound produced by the…

A: Remember that frequency/pitch of sound produced by the string is given by: f = V/λ = Tμ Option A:…

Q: A guitar has 4 strings. The mass per unit length of the G string is 4 times the mass per unit length…

A:

Q: a. A banjo D string is 0.69 m long and has a fundamental frequency of 293.6 Hz. Determine the speed…

A: a) Calculate the speed of the wave on the string. f=v2L293.6 Hz=v2(0.69 m)v=405.168 m/sv≈405.17 m/s

Q: A string on a guitar has a fundamental frequency of 110 Hz. Find the frequency of its 4th overtone.

A: We have the fundamental frequency of the string fo. It is the frequency of the first harmonic.…

Q: What is the sound intensity level of a sound with an W/m?? intensity of 1.7 x 10-4 dB

A:

Q: 1. Which of the following statement  is the least accurate? a. Ultrasonic scalers convert sound…

A: 1. B. Rotary scalers convert air pressure into mechanical vibration is the least accurate statement.…

Q: A very loud train whistle has an acoustic power output of 100 W. If the sound energy spreads out…

A: Given that:P=100 Wd=100 m

Q: An isotropic source creates a wave whose intensity is 4 x 10-8 W/m2 at a distance of 1.0 m from the…

A: When a source emits the wave in all direction, The energy at a distance r from the source…

Q: What happens to the frequency of the sound that you hear if the source is moving towards you? a.…

A: Doppler effect is defined as the variation of the observed frequency of a sound when there is the…

Q: 5. An organ pipe is 118 cm long. What is the third audible harmonic if the pipe is open at both…

A:

Q: 1. assume the speed of sound is 343m/s. calculate the lenght of the air columb for first harmonic,…

A: Given: The speed of sound in air is v=343 m/s. The frequency of tuning fork is f=1450 Hz. The…

Q: If a 70 cm long guitar string produces a fundamental frequency of 250 Hz. What is the frequency of…

A: Given Fundamental frequency is f1= 250 Hz

Q: you are playing a non-harmonic or percussion instrument and you change the number of overtones of a…

A: Option (B) is correct.It is hard to say because most percussion instruments don’t have a strong…