A string is stretched between two fixed points separated by $75\,cm$ . It is observed to have resonant frequencies of $420\,Hz$ and $315\,Hz$ . There are no other resonant frequencies between these two. Then, the lowest resonant frequency for this string is ..... $Hz$
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
- 1A student is performing the experiment of Resonance Column. The diameter of the column tube is $4 \ cm$. The distance frequency of the tuning for $k$ is $512 \ Hz$. The air temperature is $38^{\circ} C$ in which the speed of sound is $336 \ m / s$. The zero of the meter scale coincides with the top and of the Resonance column. When first resonance occurs, the reading of the water level in the column isView Solution
- 2A progressive wave travelling along the positive $x-$ direction is represented by $y(x, t) = A\,sin\,\left( {kx - \omega t + \phi } \right)$. Its snapshot at $t = 0$ is given in the figure For this wave, the phase $\phi $ isView Solution
- 3The superposition takes place between two waves of frequency $f$ and amplitude $a.$ The total intensity is directly proportional toView Solution
- 4Two sound waves having a phase difference of $60°$ have path difference ofView Solution
- 5View SolutionWhat is the phase difference between the displacement wave and pressure wave in sound wave?
- 6$Assertion :$ Two waves moving in a uniform string having uniform tension cannot have different velocities.View Solution
$Reason :$ Elastic and inertial properties of string are same for all waves in same string. Moreover speed of wave in a string depends on its elastic and inertial properties only. - 7If the phase difference between the two wave is 2$\pi $ during superposition, then the resultant amplitude isView Solution
- 8The source producing sound and an observer both are moving along the direction of propagation of sound waves. If the respective velocities of sound, source and an observer are $v, {v_s}$ and ${v_o}$, then the apparent frequency heard by the observer will be ($n =$ frequency of sound)View Solution
- 9A plane wave is represented by $x = 1.2\sin (314\,t + 12.56y)$Where $x$ and $y$ are distances measured along in $x$ and $y$ direction in meters and $t$ is time in seconds. This wave hasView Solution
- 10The relation between frequency $‘n’$ wavelength ‘$\lambda$’ and velocity of propagation $‘v’$ of wave isView Solution