A sound wave in air at 20c has a frequency of 151hz and a
A sound wave in air at 20C has a frequency of 151Hz and a displacement amplitude of 5.20×10 3mm. The pressure amplitude is 2.04 Pa. Discover the intensity of the wave. Use 1.42 x 10^5 Pa for the bulk modulus and 1.2 kg/m^3 for the density of air.
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when 500 g of sodium hydroxide naoh was dissolved in 15000 g of water a value of 1050oc was obtained for
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