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A class room and the school library are in the shape of squares. The a..
A class room and the school library are in the shape of squares. The area of the class room is 121 yd 2 and the area of the library is 4 times as large as class room. Find the ratio of their perimeters . => 4 : 1 or 2 : 1 or 1 : 2 or 1 : 4..
The Human Audiogram
. If the intensity becomes too great, the sensation becomes one of pain rather than of hearing. This is indicated by the upper curve which lies close to 10 6 m Wm -2 or 1 Wm -2 , putting 1 = 1 Wm -2 and I 0 = 10 -12 Wm -2 in equation (1-35), we get = 10 log 10 12 = 120 dB A sound of intensity level..
. If the intensity becomes too great, the sensation becomes one of pain rather than of hearing. This is indicated by the upper curve which lies close to 10 6 m Wm -2 or 1 Wm -2 , putting 1 = 1 Wm -2 and I 0 = 10 -12 Wm -2 in equation (1-35), we get = 10 log 10 12 = 120 dB A sound of intensity level..See what our Users say :
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