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Find the speed of sound in Helium gas at 27oC. (γ=1.66 and R=8334 J/K mole K).

Solution

Given data                      

Given medium is Helium gas.        

Temperature = 27oC = 273 + 27 = 300 K

                                                                                        R = 8334 J/Kmol.K

Required                          speed of sound = v =?

Formula

Put the values in the formula

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