November 2007
Intermediate to advanced
736 pages
46h 32m
English
Content preview from Consumer Electronics
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INTENSITY OF A WAVE
The intensity I or rate of flow of energy by wave motion through unit area of the medium in a direction perpendicular to the direction of propagation of the wave is given by
If P is the power of an isotopic source of sound at a distance r, the intensity or loudness of sound.
When a wave diverges in all directions from a source, the intensity reduces with the distance from the source according to an inverse square law. This is shown in Fig. 1.10.
Fig. 1.10 In the solid angle shown, the same energy is distributed ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.