Question: (a) Show that if I2 = 10.0 I1, then (2 = (1 + 10.0 dB. (A factor of 10 increase in intensity corresponds to a

(a) Show that if I2 = 10.0 I1, then (2 = (1 + 10.0 dB. (A factor of 10 increase in intensity corresponds to a 10.0 dB increase in intensity level.)
(b) Show that if I2 = 2.0 I1, then (2 = (1 + 3.0 dB. (A factor of 2 increase in intensity corresponds to a 3.0-dB increase in intensity level.

Step by Step Solution

★★★★★

3.39 Rating (165 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Strategy Use Eq 128 to find an expression for the intensity T... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

956-P-M-L-M (1546).docx

120 KBs Word File

Students Have Also Explored These Related Mechanics Questions!

A transformer (Prob. 7.53) takes an input AC voltage of amplitude V1, and delivers an output voltage of amplitude V2, which is dete nnined by the turns ratio (V2/V1 = N2/N1). If N2 > N1 the output...

A circular loop of radius a carrying current I1 is located in the xy plane as shown in the figure. In addition, an infinitely long wire carrying current I2 in a direction parallel with the z-axis is...

A toroid with air gap, shown in figure, has a square cross section. A long conductor carrying current I2 is inserted in the air gap. If I1 = 200mA, N = 750, ?o = 10 cm, ? = 5 mm, and ?? = 1 mm,...

While observing the increase in the base cost of his cell phone bill each year, a student recorded the following data: January's Cell Phone Bill for the Past 4 years Year Base Rate on Bill $59.95 2...

GROUP STUDY ACOUSTICS An acoustical phenomenon wherein the sound continues to persist after the cause of sound has stopped resulting in repeated reflections is calledEcho b. reverberation c....

1 This assignment covers material from Units 1 to 4 in the Mathematics 244 Study Guide. It is due after Unit 4 in the Study Guide is completed. Total Marks = 150 1. Evaluate each of the following...

Please help me with the attached article review. I have attached the instructions as well as the scholarly article to use. The topic is Time Value of Money Analysis. Time value of money analysis...

Submitted to Management Science manuscript MS-0001-1922.65 Authors are encouraged to submit new papers to INFORMS journals by means of a style file template, which includes the journal title....

1. From the scenario, cite your forecasting conclusions that support TFC?s decision to expand to the West Coast market. Speculate as to whether or not the agency conflict discussed in the scenario...

3 This assignment covers material from Units 8 to 9 in the Mathematics 244 Study Guide. It is due after Unit 9 in the Study Guide is completed. Total Marks = 100 Business Mathematics 1. What is the...

Compare three different types of tools for developing ES.

Give four categories of uses of dynamic modeling. List advantages and disadvantages of experimental modeling over analytical modeling.

YeyYo owns a chain of cafs selling cakes, biscuits and coffee. The company wants to change its marketing strategy to increase its market share. Its traditional cafs are in small towns and its target...

Explain how each of the following events would affect the LRAS curve. a A higher price level b An increase in the size of the labour force c An increase in the quantity of capital goods d...

Light of wavelength 700.0 nm is sent along a route of length 2000 nm. The route is then filled with a medium having an index of refraction of 1.400. In degrees, by how much does the medium...

Two parallel slits are illuminated with monochromatic light of wavelength 500 nm. An interference pattern is formed on a screen some distance from the slits, and the fourth dark band is located 1.68...

In two experiments, light is to be sent along the two paths shown in Figure by reflecting it from the various flat surfaces shown. In the first experiment, rays 1 and 2 are initially in phase and...

Tempo Company's fixed budget (based on sales of 10,000 units) folllows. 2,010,000 Fixed Budget Sales (10,000 units * $201 per unit) Costs Direct materials Direct labor Indirect materials Supervisor...

solve it now please 201 wave this response Question 2 Suppose the current dividends on a stock are $4.3 per share and dividends are expected to increase by 2% per year, forever. If the required rate...

The par value of each of the following bonds is 31,000. the required rate of return on Treasury securities is 8 percent. All interest is paid annually. u. s. Treasury bond, 11 percent coupon,10-year...