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As the particles in a soup reach the boiling point, the kinetic energy of the molecules will start increasing and ultimately bubbles will be created in the soup and it will slowly start to vaporize. Boiling point of a liquid is the temperature at which the vapor pressure of the liquid will become equal to the atmospheric pressure.<span> </span>
Answer:
the shortest distance to the obstruction is 0.431 m
Explanation:
We can see this system as an air column, where the plumber is open and where the water is closed, in the case when he hears the sound there is a phenomenon of resonance and superposition of waves with constructive interference.
For the lowest resonance we must have a node where the water is and a maximum where the plumber is a quarter of the wavelength
λ = ¼ L
If we are in a major resonance specifically the following resonance. We have a full wavelength plus a quarter of the wavelength
λ = 4L / 3
The general formula is
λ = 4L / n n = 1, 3, 5, 7,…
In addition the wave speed is the product of the frequency by the wavelength
v = λ f
Let's replace
v = (4L / n) f
L = v n / (4 f)
Now we can calculate the depth or length of the air column
If we have the first standing wave n = 1
L = 340 1 / (4 197)
L = 0.431 m
If it is the second resonance n = 3
L = 340 3 / (4 197)
L = 1.29 m
We can see the shortest distance to the obstruction is 0.431 m
