List of top Physics Questions on Sound Wave

A pipe open at both ends has length \(1\) m. The air column in a pipe cannot resonate for a frequency (Neglect end correction, speed of sound in air \(=340\) m/s)
A man standing between two parallel cliffs fires a gun. He hear two echos one after \(3\) second and the other after \(5\) second. The separation between the two cliffs is \(1360\) m, the speed of sound is
A pipe open at both ends has a frequency \(f\) in air. The pipe is dipped vertically in water, so that its \((1/3)\) part of its length is in water. The fundamental frequency of the air column is now \(xf\), the value of \(x\) is
An organ pipe \(P_{1}\) closed at one end and vibrating in its first overtone and other pipe \(P_{2}\) open at both ends vibrating in its third overtone are in resonance with a given tuning fork. The ratio of length of \(P_{1}\) and \(P_{2}\) will be
In an experiment with a closed organ pipe, it is filled with water by \(\left(\frac{1}{5}\right)^{th}\) of its volume. The frequency of the fundamental note will change by
Two closed organ pipes A and B have the same length and A is wider than B. They resonate in the fundamental mode at frequencies \(n_{A}\) and \(n_{B}\) respectively, then
\(n_{1}\) is the fundamental frequency of the pipe closed at one end and \(n_{2}\) is the fundamental frequency of the pipe open at both ends. If both are joined end to end, the fundamental frequency of closed pipe so formed is
An organ pipe closed at one end has fundamental frequency of \(1500\) Hz. The maximum number of overtones generated by this pipe a normal person can hear is (neglect end connection)
A boy stands \(x\ \text{m}\) away from a high wall and claps his hands at a steady rate so that each clap coincides with the echo of the one before. If he makes \(60\) claps in \(2\) minutes and the velocity of sound is \(340\ \text{m/s}\), then the distance \(x\) from the wall is
An organ pipe closed at one end produces \(5^{\text{th}}\) overtone of an air column. It is found that air in the pipe is vibrating with \(x\) nodes and \(y\) antinodes. The value of \(x\) and \(y\) is
The density of oxygen is 16 times that of hydrogen. The ratio of the velocity of sound in oxygen to that in hydrogen is
A sound wave travels from a region of air at \(20^{\circ }\text{C}\) into a region at \(40^{\circ }\text{C}\). What is the ratio of the wavelengths (\(\lambda _{40}/\lambda _{20}\)), if the frequency remains constant?
The velocity of sound in air is doubled when the temperature is raised from $0 ^\circ$C to $a ^\circ$C. The value of a is ___.
If a 200 cm long steel rod clamped at its middle is vibrated in its fundamental mode with a frequency of 1.25 kHz, then the speed of longitudinal waves in the rod is
Two monoatomic ideal gases '1' and '2' of molecular masses \(m_1\) and \(m_2\) respectively are enclosed in separate containers kept at the same temperature. The ratio of the speed of sound in gas '1' to that in gas '2' is
The ratio of the speed of sound in helium gas to that in nitrogen gas at \(295\) K is ( Ratio of specific heats \(γ\) for helium is \(\frac{5}{3}\) and that for nitrogen is \(\frac{7}{5}\). Molecular weight for helium and nitrogen are \(4\) and \(28\) respectively.)
The 'Loudness' and 'Pitch' of sound respectively are the human perception to
A tuning fork of frequency '\(n\)' is held near the open end of a tube which is dipped in water and length of the tube is adjusted until resonance occurs. If the two shortest lengths that produce resonance are \(l_1\) and \(l_2\), the speed of sound in air is (neglect end correction)
The third overtone of a closed pipe of length '\(L_c\)' has the same frequency as the third overtone of the open pipe of length '\(L_0\)'. Both the pipes have same diameters. The ratio \(L_c:L_0\) is equal to
A person standing between two parallel cliffs fires a gun and hears two echoes, first echo after 1 second and second echo after 3 second. The distance between the two cliffs is (The velocity of sound \(= 330\) m/s)
The fundamental frequency '\(n\)' of the tuning fork is 288 Hz, it will not resonate with the frequency
In an organ pipe closed at one end produces a fundamental note of frequency '\(ν\)'. The pipe is cut into two pipes of equal length. The fundamental frequencies produced in the two pipes are
Two sounding waves send waves at certain temperature in air of wavelength 50 cm and 50.5 cm repectively. The frequency of sources differ by 6 Hz. The velocity of sound in air at same temperature is
The beats are produced when there is a superposition of two sound waves which will have
When open pipe is closed from one end then third overtone of closed pipe is higher in frequency by 150Hz than second overtone of open pipe. The fundamental frequency of open end pipe will be (Neglect end correction)