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Resonance Column
Resonance Column
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1)
What type of vibrations is produced in the air column in resonance tube?
Plane waves
Transverse stationary waves
None of these
Longitudinal stationary waves
2)
What is meant by resonance produced in the resonance column?
Natural frequency of the tuning fork = Frequency of air column.
Natural frequency of the tuning fork ≠ Frequency of air column.
Natural frequency of the tuning fork > Frequency of air column.
3)
What is the purpose of obtaining resonating length in resonance column experiment?
To find the wavelength of sound
To find the velocity of sound at room temperature
To find the frequency of sound at room temperature
To find the wavelength of stationary waves produced.
4)
Choose the incorrect statement from the following.
Node of the wave lies at the water level and antinode of the wave lies on the open end of the tube.
All are correct.
The waves produced in the air column are transverse stationary waves.
Resonance tube works on the principle of the resonance of air column with tuning fork.
5)
What happens to the resonance length if the frequency of tuning fork increases?
Increases
Decreases
No change occurs
Reduces to zero
6)
What is the distance between two successive nodes in a stationary wave of wavelength λ?
λ
λ /4
2 λ
λ /2
7)
What is the effect of temperature on velocity of sound in air?
Velocity of sound in air at room temperature is directly proportional to the square of temperature in Kelvin scale.
Velocity of sound in air at room temperature is independent of the temperature in Kelvin scale.
Velocity of sound in air at room temperature is inversely proportional to the square root of temperature in Kelvin scale.
Velocity of sound in air at room temperature is directly proportional to the square root of temperature in Kelvin scale.
8)
What happens to the resonance position if we take kerosene oil in place of water in the resonance column experiment?
Remains unchanged
Suddenly become zero
Decreases
Data inadequate
9)
The velocity of sound in air at 30oC is 351.45 m/s. Calculate the velocity of sound in air at 0 degree Celcius?
None of these
333.45 km/h
33.345 m/s
333.45 m/s
10)
The speed of sound waves in air s found to be 340 m/s. Determine the fundamental frequency of an open end air column which has a length of 67.5 cm?
253 Hz
320 Hz
235 Hz
512 Hz
