/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q. 70 Two identical loudspeakers separ... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 17: Q. 70 (page 486)

Two identical loudspeakers separated by distance 鈭�xeach

emit sound waves of wavelength 位 and amplitude a along the

x-axis. What is the minimum value of the ratio 鈭�x位 for which

the amplitude of their superposition is also a?

Short Answer

Expert verified

The solution also provides the identical distance of the sound waves of the wavelengths

Step by step solution

01

Discussion on superposition

When two or more waves cross at a point, the displacement at that point is equal to the sum of the displacements of the individual waves.

02

Discusion on the phase difernces

The phrase difference is calculated below

@acos(蟺鈭�x位)=a=cos(蟺鈭�x位)=1/2=A=2aco9s(鈭�鈭�2)鈭�鈭�=2蟺鈭�x位A=2acos(蟺鈭�x位)=蟺/3鈭�x位=1/3

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

A manufacturing firm has hired your company, Acoustical Consulting, to help with a problem. Their employees are complaining about the annoying hum from a piece of machinery. Using a frequency meter, you quickly determine that the machine emits a rather loud sound at 1200 Hz. After investigating, you tell the owner that you cannot solve the problem entirely, but you can at least improve the situation by eliminating reflections of this sound from the walls. You propose to do this by installing mesh screens in front of the walls. A portion of the sound will reflect from the mesh; the rest will pass through the mesh and reflect from the wall. How far should the mesh be placed in front of the wall for this scheme to work?

A flutist assembles her flute in a room where the speed of

sound is 342 m/s. When she plays the note A, it is in perfect tune

with a 440 Hz tuning fork. After a few minutes, the air inside her

flute has warmed to where the speed of sound is 346 m/s.

a. How many beats per second will she hear if she now plays the

note A as the tuning fork is sounded?

The two strings in FIGURE P17.49 are of equal length and are being driven at equal frequencies. The linear density of the left string is 5.0 g/m. What is the linear density of the right string?

A 1.0-m-tall vertical tube is filled with 20鈭�C water. A tuning fork vibrating at 580 Hz is held just over the top of the tube as the water is slowly drained from the bottom. At what water heights, measured from the bottom of the tube, will there be a standing wave in the tube above the water?

Two in-phase speakers 2.0 m apart in a plane are emitting 1800 Hz sound waves into a room where the speed of sound is 340 m/s. Is the point 4.0 m in front of one of the speakers, perpendicular to the plane of the speakers, a point of maximum constructive interference, maximum destructive interference, or something in between?
See all solutions

Recommended explanations on Physics Textbooks

Electricity

Read Explanation

Oscillations

Read Explanation

Further Mechanics and Thermal Physics

Read Explanation

Electricity and Magnetism

Read Explanation

Rotational Dynamics

Read Explanation

Thermodynamics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.