Solve this:
1. Calculate the velocity of sound in air at N.T.P using the data given below :
Density of mercury = 13600 kg m^-3 , Acceleration due to gravity = 9.8 ms^-2 , Barometer height = 0.76 m Ratio of specific
heats of air = 1.4, Density of air at N.T.P = 1.293 kg m^-3 .

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Solution

Dear Student

Velocity of sound in air is V_{sound

$γ = 1.4 P = ρ g h = 13600 \times 9.8 \times 0.76 = 101292.8 p a s c a l ρ_{a i r} = 1.293 k g / m^{3} v_{s o u n d} = \sqrt{\frac{γ P}{ρ}} = \sqrt{\frac{1.4 \times 101292.8}{1.293}} = \sqrt{109675.12} v_{s o u n d = 331.18 m / s}$}

Regards
Sandeep Kumar

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Solve this: 1. Calculate the velocity of sound in air at N.T.P using the data given below : Density of mercury = 13600 kg m-3 , Acceleration due to gravity = 9.8 ms-2 , Barometer height = 0.76 m Ratio of specific heats of air = 1.4, Density of air at N.T.P = 1.293 kg m-3 .

Dear Student Velocity of sound in air is Vsound γ=1.4P=ρgh=13600×9.8×0.76=101292.8 pascalρair=1.293 kg/m3vsound=γPρ=1.4×101292.81.293=109675.12vsound=331.18 m/s Regards Sandeep Kumar

Solve this:
1. Calculate the velocity of sound in air at N.T.P using the data given below :
Density of mercury = 13600 kg m^-3 , Acceleration due to gravity = 9.8 ms^-2 , Barometer height = 0.76 m Ratio of specific
heats of air = 1.4, Density of air at N.T.P = 1.293 kg m^-3 .