Standing Waves
PHXI15:WAVES

354920 A pipe closed at one end has length \(83\;cm\). The number of possible natural oscillations of air column whose frequencies lie below \(1000\;Hz\) are ( take, velocity of sound in air \( = 332\;m/s\))

1 \(3\)
2 \(4\)
3 \(5\)
4 \(6\)
PHXI15:WAVES

354921 A closed organ pipe has length ' \(l\) '. The air in it is vibrating in \(3^{\text {rd }}\) overtone with maximum displacement amplitude \(a\). The displacement amplitude at a distance of \(\dfrac{l}{7}\) from closed end of the pipe is equal to

1 \(a\)
2 \(\dfrac{a}{2}\)
3 \(\dfrac{a \sqrt{3}}{2}\)
4 Zero
PHXI15:WAVES

354922 The waves set up in a closed pipe are

1 longitudinal and progressive
2 longitudinal and stationary
3 transverse and stationary
4 transverse and progressive.
PHXI15:WAVES

354923 A source of sound placed at the open end of a resonance column sends an acoustic wave of pressure amplitude \(P_{0}\) inside the tube. If the atmospheric pressure is \(P_{A}\), then the ratio of maximum and minimum pressure at the closed end of the tube will be

1 \(\dfrac{\left(P_{A}+2 P_{0}\right)}{\left(P_{A}-2 P_{0}\right)}\)
2 \(\dfrac{\left(P_{A}+P_{0}\right)}{\left(P_{A}-P_{0}\right)}\)
3 \(\dfrac{\left(P_{A}+\dfrac{1}{2} P_{0}\right)}{\left(P_{A}-\dfrac{1}{2} P_{0}\right)}\)
4 \(\dfrac{P_{A}}{P_{0}}\)
PHXI15:WAVES

354924 In a resonance tube experiment, a closed organ pipe of length \(120\;cm\) is used and tuned with a tuning fork of frequency \(340\;Hz\). If water is poured into the pipe, then incorrect statement among the following [velocity of sound in air is \(340\;m/s\), neglect end correction]

1 Minimum length of water column to have the resonance is \(45\;cm\)
2 The distance between two successive nodes is \(50\;cm\)
3 The maximum length of water column to create the resonance is \(95\;cm\)
4 The distance between two successive nodes is \(25\;cm\)
PHXI15:WAVES

354920 A pipe closed at one end has length \(83\;cm\). The number of possible natural oscillations of air column whose frequencies lie below \(1000\;Hz\) are ( take, velocity of sound in air \( = 332\;m/s\))

1 \(3\)
2 \(4\)
3 \(5\)
4 \(6\)
PHXI15:WAVES

354921 A closed organ pipe has length ' \(l\) '. The air in it is vibrating in \(3^{\text {rd }}\) overtone with maximum displacement amplitude \(a\). The displacement amplitude at a distance of \(\dfrac{l}{7}\) from closed end of the pipe is equal to

1 \(a\)
2 \(\dfrac{a}{2}\)
3 \(\dfrac{a \sqrt{3}}{2}\)
4 Zero
PHXI15:WAVES

354922 The waves set up in a closed pipe are

1 longitudinal and progressive
2 longitudinal and stationary
3 transverse and stationary
4 transverse and progressive.
PHXI15:WAVES

354923 A source of sound placed at the open end of a resonance column sends an acoustic wave of pressure amplitude \(P_{0}\) inside the tube. If the atmospheric pressure is \(P_{A}\), then the ratio of maximum and minimum pressure at the closed end of the tube will be

1 \(\dfrac{\left(P_{A}+2 P_{0}\right)}{\left(P_{A}-2 P_{0}\right)}\)
2 \(\dfrac{\left(P_{A}+P_{0}\right)}{\left(P_{A}-P_{0}\right)}\)
3 \(\dfrac{\left(P_{A}+\dfrac{1}{2} P_{0}\right)}{\left(P_{A}-\dfrac{1}{2} P_{0}\right)}\)
4 \(\dfrac{P_{A}}{P_{0}}\)
PHXI15:WAVES

354924 In a resonance tube experiment, a closed organ pipe of length \(120\;cm\) is used and tuned with a tuning fork of frequency \(340\;Hz\). If water is poured into the pipe, then incorrect statement among the following [velocity of sound in air is \(340\;m/s\), neglect end correction]

1 Minimum length of water column to have the resonance is \(45\;cm\)
2 The distance between two successive nodes is \(50\;cm\)
3 The maximum length of water column to create the resonance is \(95\;cm\)
4 The distance between two successive nodes is \(25\;cm\)
PHXI15:WAVES

354920 A pipe closed at one end has length \(83\;cm\). The number of possible natural oscillations of air column whose frequencies lie below \(1000\;Hz\) are ( take, velocity of sound in air \( = 332\;m/s\))

1 \(3\)
2 \(4\)
3 \(5\)
4 \(6\)
PHXI15:WAVES

354921 A closed organ pipe has length ' \(l\) '. The air in it is vibrating in \(3^{\text {rd }}\) overtone with maximum displacement amplitude \(a\). The displacement amplitude at a distance of \(\dfrac{l}{7}\) from closed end of the pipe is equal to

1 \(a\)
2 \(\dfrac{a}{2}\)
3 \(\dfrac{a \sqrt{3}}{2}\)
4 Zero
PHXI15:WAVES

354922 The waves set up in a closed pipe are

1 longitudinal and progressive
2 longitudinal and stationary
3 transverse and stationary
4 transverse and progressive.
PHXI15:WAVES

354923 A source of sound placed at the open end of a resonance column sends an acoustic wave of pressure amplitude \(P_{0}\) inside the tube. If the atmospheric pressure is \(P_{A}\), then the ratio of maximum and minimum pressure at the closed end of the tube will be

1 \(\dfrac{\left(P_{A}+2 P_{0}\right)}{\left(P_{A}-2 P_{0}\right)}\)
2 \(\dfrac{\left(P_{A}+P_{0}\right)}{\left(P_{A}-P_{0}\right)}\)
3 \(\dfrac{\left(P_{A}+\dfrac{1}{2} P_{0}\right)}{\left(P_{A}-\dfrac{1}{2} P_{0}\right)}\)
4 \(\dfrac{P_{A}}{P_{0}}\)
PHXI15:WAVES

354924 In a resonance tube experiment, a closed organ pipe of length \(120\;cm\) is used and tuned with a tuning fork of frequency \(340\;Hz\). If water is poured into the pipe, then incorrect statement among the following [velocity of sound in air is \(340\;m/s\), neglect end correction]

1 Minimum length of water column to have the resonance is \(45\;cm\)
2 The distance between two successive nodes is \(50\;cm\)
3 The maximum length of water column to create the resonance is \(95\;cm\)
4 The distance between two successive nodes is \(25\;cm\)
PHXI15:WAVES

354920 A pipe closed at one end has length \(83\;cm\). The number of possible natural oscillations of air column whose frequencies lie below \(1000\;Hz\) are ( take, velocity of sound in air \( = 332\;m/s\))

1 \(3\)
2 \(4\)
3 \(5\)
4 \(6\)
PHXI15:WAVES

354921 A closed organ pipe has length ' \(l\) '. The air in it is vibrating in \(3^{\text {rd }}\) overtone with maximum displacement amplitude \(a\). The displacement amplitude at a distance of \(\dfrac{l}{7}\) from closed end of the pipe is equal to

1 \(a\)
2 \(\dfrac{a}{2}\)
3 \(\dfrac{a \sqrt{3}}{2}\)
4 Zero
PHXI15:WAVES

354922 The waves set up in a closed pipe are

1 longitudinal and progressive
2 longitudinal and stationary
3 transverse and stationary
4 transverse and progressive.
PHXI15:WAVES

354923 A source of sound placed at the open end of a resonance column sends an acoustic wave of pressure amplitude \(P_{0}\) inside the tube. If the atmospheric pressure is \(P_{A}\), then the ratio of maximum and minimum pressure at the closed end of the tube will be

1 \(\dfrac{\left(P_{A}+2 P_{0}\right)}{\left(P_{A}-2 P_{0}\right)}\)
2 \(\dfrac{\left(P_{A}+P_{0}\right)}{\left(P_{A}-P_{0}\right)}\)
3 \(\dfrac{\left(P_{A}+\dfrac{1}{2} P_{0}\right)}{\left(P_{A}-\dfrac{1}{2} P_{0}\right)}\)
4 \(\dfrac{P_{A}}{P_{0}}\)
PHXI15:WAVES

354924 In a resonance tube experiment, a closed organ pipe of length \(120\;cm\) is used and tuned with a tuning fork of frequency \(340\;Hz\). If water is poured into the pipe, then incorrect statement among the following [velocity of sound in air is \(340\;m/s\), neglect end correction]

1 Minimum length of water column to have the resonance is \(45\;cm\)
2 The distance between two successive nodes is \(50\;cm\)
3 The maximum length of water column to create the resonance is \(95\;cm\)
4 The distance between two successive nodes is \(25\;cm\)
PHXI15:WAVES

354920 A pipe closed at one end has length \(83\;cm\). The number of possible natural oscillations of air column whose frequencies lie below \(1000\;Hz\) are ( take, velocity of sound in air \( = 332\;m/s\))

1 \(3\)
2 \(4\)
3 \(5\)
4 \(6\)
PHXI15:WAVES

354921 A closed organ pipe has length ' \(l\) '. The air in it is vibrating in \(3^{\text {rd }}\) overtone with maximum displacement amplitude \(a\). The displacement amplitude at a distance of \(\dfrac{l}{7}\) from closed end of the pipe is equal to

1 \(a\)
2 \(\dfrac{a}{2}\)
3 \(\dfrac{a \sqrt{3}}{2}\)
4 Zero
PHXI15:WAVES

354922 The waves set up in a closed pipe are

1 longitudinal and progressive
2 longitudinal and stationary
3 transverse and stationary
4 transverse and progressive.
PHXI15:WAVES

354923 A source of sound placed at the open end of a resonance column sends an acoustic wave of pressure amplitude \(P_{0}\) inside the tube. If the atmospheric pressure is \(P_{A}\), then the ratio of maximum and minimum pressure at the closed end of the tube will be

1 \(\dfrac{\left(P_{A}+2 P_{0}\right)}{\left(P_{A}-2 P_{0}\right)}\)
2 \(\dfrac{\left(P_{A}+P_{0}\right)}{\left(P_{A}-P_{0}\right)}\)
3 \(\dfrac{\left(P_{A}+\dfrac{1}{2} P_{0}\right)}{\left(P_{A}-\dfrac{1}{2} P_{0}\right)}\)
4 \(\dfrac{P_{A}}{P_{0}}\)
PHXI15:WAVES

354924 In a resonance tube experiment, a closed organ pipe of length \(120\;cm\) is used and tuned with a tuning fork of frequency \(340\;Hz\). If water is poured into the pipe, then incorrect statement among the following [velocity of sound in air is \(340\;m/s\), neglect end correction]

1 Minimum length of water column to have the resonance is \(45\;cm\)
2 The distance between two successive nodes is \(50\;cm\)
3 The maximum length of water column to create the resonance is \(95\;cm\)
4 The distance between two successive nodes is \(25\;cm\)