A source of sound produces a note of 512 Hz in the air at 17C with a wavelength of 66.5 cm. Find the ratio of molar heat capacities at constant pressure to constant volume at NTP. Densities of air and mercury at NTP are 1.293 kg.m3 respectively.
Calculate the bulk modulus of a liquid in which longitudinal waves with a frequency of 250 Hz have the wavelength of 8m and the density of the liquid is 900 kg/m^3.
In a resonance air column apparatus, the first and second resonance positions were observed at 18cm and 56cm respectively. The frequency of the tuning fork used was 480 Hz. Calculate the velocity of sound in air and end correction of the tube.
At what temperature, the velocity of sound in air is increased by 50% to that at 27°C?
What is the difference between the speed of longitudinal waves in air at 27°C and at -13°C? What is the speed at 0°C?
A source of the sound of frequency 550 Hz emits waves of wavelength 60 cm in the air at 20° C. What would be the wavelength of sound from the source in the air at 0° C.
Describe Laplace's correction in Newton's formula for velocity of sound in air. Also discuss the effect of temperature and pressure in the velocity of sound in air.
Does the propagation of sound waves cause a change in the thermodynamic condition of the medium? Derive Laplace formula of the velocity of sound in the air.
Do sound wave require a medium to travel form one point to other point in space? What properties of medium are relavent?
Sound at a distance can be heard distinctly at night than in the day time. Why?
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