A resonating air column shows resonance with a tuning fork of frequency $256\, Hz$ at column lengths $33.4\, cm$ and $101.8\, cm$. The speed of sound in air is ...... $ms^{-1}$
Medium
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1In a large room, a person receives direct sound waves from a source $120$ metres away from him. He also receives waves from the same source which reach him, being reflected from the $25$ metre high ceiling at a point halfway between them. The two waves interfere constructively for wavelength ofView Solution
- 2$Assertion :$ Speed of wave $=\frac{wavelength}{time period}$View Solution
$Reason :$ Wavelength is the distance between two nearest particles in phase. - 3The difference between the apparent frequency of a source of sound as perceived by an observer during its approach and recession is $2\%$ of the natural frequency of the source. If the velocity of sound in air is $300 \,m/sec,$ the velocity of the source is ... $m/sec$ (It is given that velocity of source $<<$ velocity of sound)View Solution
- 4A string vibrates according to the equation $y = 5\sin \,\left( {\frac{{2\pi x}}{3}} \right)\,\,\cos \,20\,\pi t$, where $x$ and $y$ are in $cm$ and $t$ in sec. The distance between two adjacent nodes is .... $cm$View Solution
- 5What could be a correct expression for the speed of ocean waves in terms of its wavelength $\lambda $ , the depth $h$ of the ocean, the density $\rho $ of sea water, and the acceleration of free fall $g$ ?View Solution
- 6If in an experiment for determination of velocity of sound by resonance tube method using a tuning fork of $512 Hz$, first resonance was observed at $30.7 cm$ and second was obtained at $63.2 cm$, then maximum possible error in velocity of sound is .....$cm/sec$ (consider actual speed of sound in air is $332 m/s$)View Solution
- 7Two tuning forks $A\,\, \& \,\,B$ produce notes of frequencies $256 Hz \,\,\& \,\,262 Hz$ respectively. An unknown note sounded at the same time as $A$ produces beats . When the same note is sounded with $B$, beat frequency is twice as large . The unknown frequency could be ... $Hz$View Solution
- 8The ratio of intensities between two coherent sound sources is $4: 1$. The difference of loudness in dB between maximum and minimum intensities when they interfere in the space is ..........View Solution
- 9$A$ is singing a note and at the same time $B$ is singing a note with exactly one-eighth the frequency of the note of $A$. The energies of two sounds are equal, the amplitude of the note of $B$ isView Solution
- 10The amplitude of wave disturbance propagating in the positive $x$-direction is given by $y=\frac{1}{(1+x)^{2}}$ at time $t=0$ and $y=\frac{1}{1+(x-2)^{2}}$ at $t=1$ s, where $x$ and $y$ are in metres. The shape of wave does not change during the propagation. The velocity of the wave will be $...\,{m} / {s}.$View Solution