November 2007
Intermediate to advanced
736 pages
46h 32m
English
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REFLECTION OF SOUND
A free sound wave travelling through air strikes a uniform, large, solid, plane surface and gets reflected in the same manner as a light ray. The following facts in connection with reflection of sound are to be noted:
- The analysis of reflection from curved surfaces may be derived by applying the laws of reflection of light.
- A concave surface leads to the concentration of reflected waves at certain points. Hence concave surfaces maybe provided to work as reflectors.
- A convex surface tends to spread the reflected waves. Hence, convex surfaces may be used with advantage to spread the sound throughout the room.
- The study of laws of reflection of sound helps in selecting the proper shape of the room with regard to distribution ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.