Answer:
The speed of sound in this gas = 416 m/s
Explanation:
The wave produced in a column open at one end, closed at the other has the relation L = λ/4 with the length of the tube.
The standing wave pattern for the tube closed at one end has a node at the closed end & an antinode at the open end.
The distance between the node and antinode = wavelength/4 = λ/4
1.3 = λ/4
λ = 5.20 m
For any wave, v = fλ
v = velocity of the wave = ?
f = frequency of the wave = 80 Hz
λ = wavelength of the wave = 5.20 m
v = 5.2 × 80 = 416 m/s
