A. MODIFIED TRUE OR FALSE: Indicate whether each statement is true or false. If false, change theunderlined word or phrase to make the statement true.1. The intensity of threshold of hearing is 1W/m2.2 Loudness is a property of tone that distinguishes it from another tone of the same pitch and intensityproduced by a different instrument.3. Sound is perceived louder when its frequency is increased.4. High frequency sound gives long wavelength.5. A low pitched sound is a low frequency sound.B. PROBLEM SOLVING: Read and comprehend the following problems below. Using the appropriateequation/s, solve for what is being asked. Show your entire solution on the space provided.1. The siren of a stationary ambulance emits sound waves of frequency 550 Hz. You are riding amotorcycle traveling directly away from the ambulance. How fast must you be traveling if youdetect a frequency of 480 Hz?2. You are holding a vibrating tuning fork with frequency 800 Hz as you run toward a stationarywall. If your speech is 5.0 m/s, what frequency of sound do you hear as reflected from the wall?

We need to state True and False for each statement. Also, it is required to make appropriate…

RUE OR FALSE: Indicate whether each statement is true or false. If false, change the A. MODIFIED underlined word or phrase to make the statement true. 1. The intensity of threshold of hearing is 1W/m2. 2. Loudness is a property of tone that distinguishes it from another tone of the same pitch and intensity produced by a different instrument. 3. Sound is perceived louder when its frequency is increased. 4. High frequency sound gives long wavelength. 5. A low pitched sound is a low frequency sound.

RUE OR FALSE: Indicate whether each statement is true or false. If false, change the A. MODIFIED underlined word or phrase to make the statement true. 1. The intensity of threshold of hearing is 1W/m2. 2. Loudness is a property of tone that distinguishes it from another tone of the same pitch and intensity produced by a different instrument. 3. Sound is perceived louder when its frequency is increased. 4. High frequency sound gives long wavelength. 5. A low pitched sound is a low frequency sound.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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1. A standing wave is created in a musical instrument as shown below. The frequency of the sound is 280 Hz. What is the fundamental frequency of this instrument? а. 70 Hz. b. 40 Hz. XXXX с. 172 Hz. d. 140 Hz. е. 280 Hz.
a. Explain how sound waves are propagated through air. Are these longitudinal or transverse waves? b. Describe the motion of individual air molecules at a node and at an antinode. Compare this to the motion of the individual spring coils at nodes and antinodes when a standing wave is produced in a slinky. c. What is the effect of changing the frequency of the sound? Does it change the velocity of the wave? Does it change the wavelength?
10. The speed of sound in air is 343.2 m/s at 20 °C. You design experiments using three different types of techniques and equipment to measure the speed of sound yourself. You collect the following sets of experimental data (four measurements, or trials, for each of your three techniques). Which trial provides good precision but poor accuracy? a. trial 1: 346 m/s, 356 m/s, 334 m/s, 329 m/s b. trial 2: 374 m/s, 373 m/s, 371 m/s, 373 m/s c. trial 3: 345 m/s, 344 m/s, 342 m/s, 341 m/s d. trial 1: 313 m/s, 333 m/s, 353 m/s, 363 m/s e. more than one of the above provides precision but not accuracy
21. A sound wave travels at 340 meters per second. Determine how far from the source the wave has traveled after 0.50 second.
Soft sound waves and loud sound waves travel with the samespeed in air because A. Speed of sound wave is same in air and water. B. Type of wave and medium is same. C. Medium is same but type of wave is different. D. Sound waves travel with speed of light in air and speed of light is equal to 3 x 108 m/s.
4. The maximum distance the molecules of a medium are displaced from their rest position is the a. amplitude. 5. Wavelength is the distance between a. two consecutive crests. C. one point to the same point on the next wave. 6. In a given medium, if the frequency increases, a. the wavelength increases. c. the speed remains constant. 7. The bending of waves due to a change in speed is called a. reflection. 8. The bending of waves around the edge of a barrier is called a. reflection. 9. The interaction of waves that meet at the same point at the same time is called b. wavelength. c. frequency. d. speed. b. two consecutive troughs. d. all of the above. b. the speed increases. d. the speed decreases. b. refraction. C. diffraction. d. interference. b. refraction. c. diffraction. d. interference. a. reflection. 10. A point where constructive interference produces maximum energy is called a (an) a. node. b. refraction. C. diffraction. d. interference. b. antinode. C. medium. d. rarefaction.…
I don’t need solution give the correct letter each thanks
Answer 6-10. It is easy to answer all. Thanks
Select the correct expressions for the first three overtones of an open pipe with the fundamental frequency fo . Select one or more: O a. f2 = 3 fo O b. f3 = 4fo O c. f1 = 2 fo O d. f2 = fo O e. f3 = fo O f. f3 = fo 5
1. Give at least two ways in which sound waves can be used 2. When does resonance occur?
Which wave property most affects the intensity of a sound wave? a. surface area b. frequency c. wavelength d. period e. none of the above affect intensity
Which of the following statements are true? Which one or more? a. The factors which affect speech intelligibility include noise, the available frequency range and peak clipping. b. Understanding speech requires signal to noise ratios greater than 12 dB. c. Transmission systems, such as telephone lines, generally pass the full range of speech frequencies. d. Continuous noise masks speech more than intermittent noise does.