The velocity of sound in oxygen at 0 oC is 320 m/s. What will be the velocity of sound in methane gas at 27 oC? (Given gamma of methane gas= 4/3)
[Answer = 463m/s]
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Dear student
velocity of sound in oxygen at 273K is VO2=γR×27332×10-3320=7×R×2735×32×10-3...1velocity of sound in methane at 300K is VCH4=γR×30016×10-3VCH4=4×R×3003×16×10-3...2Dividing eqn 2 by eqn 1VCH4320=4×R×300×5×32×10-33×16×10-3×7×R×273=4×300×5×323×16×7×273VCH4320=100×5×87×273=1.44VCH4=320×1.44=462.96VCH4=463m/sRegards

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as velocity inc wit inc in temp
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