Frequency of sound (f) = 512 Hz
The wavelength of sound (λ) = 66.5 cm = 0.665 m
Temperature (T) = 17°C = 17 + 273 K = 290 K
Ratio of molar heat capacities (γ) = ?
Or, v0 = 0.97 x 340.48 = 330.26 m/s
Now, velocity of sound in air is given by,
Or, γ = 1.36
Hence, the molar heat capacities at constant pressure to constant volume at NTP is 1.36