Recent content by hartraft

Not sure if this is the best place for this post, if it isn't any recommendations would be appreciated. My qustion concerns calculating the error from a set of radiation counts. I understand that the error in a single radiation count is \sqrt{N} where N is the number of counts. My question is...

Thanks very much for the reply, that has put my mind to rest. I understood that the question was implying perfect conditions which could never be met, but the answer was such a surprise to me I wasn't sure to believe it. Now it's confirmed. Thanks again

1. If the human ear can detect sound of an intensity of 10^{-12} given a power source of 50W what is the maximum distance the sound could theoretically be heard 2. I = \frac{P}{A} A = 4\pir^{2} 3. Just used first equation to get the area and from that the radius and therefore...