1). calculate the power of a point source for which measured intensity at 10m is 125...

Question

Question

1). calculate the power of a point source for which measured intensity at 10m is 125 dB.

a). Calculate the intensity in dB at 1600m.

science physics

Answer 1

Answer #1

To: (al I25 10.1の(- · (I 135 xr6 I O

Answer 2

Similar Homework Help Questions

At a distance of 15.0 m from a point source, the intensity level is measured to...

At a distance of 15.0 m from a point source, the intensity level is measured to be 75 dB. At what distance from the source will the intensity level be 37.5 dB? ________m
A sound source in all directions with the same intensity. If at point A, which is...

A sound source in all directions with the same intensity. If at point A, which is 3.00 m from the source, the sound intensity level is 80.0 dB. At what distance from the source is point B, if the intensity level of the sound in it is 60.0 dB? determine the distance from the source to point B
5. A sound source has an intensity I1 and when its sound level is measured at...

5. A sound source has an intensity I1 and when its sound level is measured at a fixed distance the found value is 70 dB. The source increases its intensity to I2 and when its sound level is measured at the same distance the found value is 96 dB. What is the I2 / I1 ratio?

The intensity of sound radiated from a small source is measured at a point 50meters from...

The intensity of sound radiated from a small source is measured at a point 50meters from the source and found to be 2.0u W/m^2. What will the intensity at a point that is 200m further from the source?
A point source of sound generates a 200 Hz tone. The wave has an intensity of...

A point source of sound generates a 200 Hz tone. The wave has an intensity of 2.2×10−8 W/m2 at a distance of 3 m from the source. Find the total sound power at the source. At what distance from the source is the decibel level below 15 dB? What is the intensity of the sound at this distance?
1. In the laws of optics experiment, a student measured the intensity of a light source...

1. In the laws of optics experiment, a student measured the intensity of a light source at different distances with respect to the light source using a light probe. The following table shows the data collected in this experiment. r (m) I (Lux) 0.050 636.6 0.100 159.2 0.150 70.7 0.200 39.8 0.250 25.5 0.300 17.7 0.350 13.0 0.400 9.9 0.450 7.9 0.500 6.4 Plot the data using excel and apply the power law fit (y(x) = A x-n). What is...

One source emits spherical waves and another emits plane waves. For which source does the intensity...

One source emits spherical waves and another emits plane waves. For which source does the intensity measured by a detector of fixed size fall off more rapidly with distance? Which statements are true? 1.) The intensity of the plane source falls off more rapidly. 2.) The measured intensity for the spherical source decreases as 1/r2. 3.) The measured intensity for the plane source decreases as 1/r. 4.) The measured intensity for the plane source does not decrease. 5.)The measured intensity...
The intensity of a light source is measured to be 150 W/m2 . You know that...

The intensity of a light source is measured to be 150 W/m2 . You know that the power consumption of that light source is 5000 W and that 5% of the used power is converted into light. How far away is light source from you? (Assume no light is scattered or absorbed by air or anything else on the way to your detector.)
Name: UIN: - - - - - - Problem 5 Source 1 Source-1 in the figure...

Name: UIN: - - - - - - Problem 5 Source 1 Source-1 in the figure emits electromagnetic radiation of 15 MHz in every direction with an average power of 800 W. The radiation is detected at point P F 125 m located 125 m away from the source. (a) [4 points] Calculate the intensity of the radiation and the amplitude of the electric field at P. — Source 1 Source 2 A second coherent source, in phase with Source-1,...