Question
What is the minimum frequency with which a stretched string of length $L$, linear density $m$ can vibrate under tension T?
✓
Answer
The minimum frequency with which a stretched string of length $L$, linear density $m$ can vibrate under tension $T$ is the fundamental frequency given by $n=\frac{1}{2 L} \sqrt{\frac{T}{m}}$.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Show that the orbital magnetic dipole moment of a revolving electron is \(\frac{e V r}{2}\).
What is meant by a steady flow?
A galvanometer has a resistance of $30 \Omega$, and its full$-$scale deflection current is $20$ microampere $(\Omega A)$. What resistance should be added to it to have a range of $0-10$ volts?
→Define polarizing angle. At the polarizing angle, what is the plane of polarization of the reflected ray?
State the principle of working of a moving coil galvanometer.
The minimum angular reparation between two stars is \(4 \times 10^{-6} rad\), if telescope is used to observe them with an objective of aperture \(16 cm\). Find the wavelength of light used.
The graph shows the potential difference ∆V between the plates of a capacitor versus the charge Q on its plates. Use the graph to find (1) the capacitance of the capacitor (2) the magnitude of the excess charge on its plates.
Two coils $A$ and $B$ have mutual inductance $2 \times 10^{-2} H$. If the current in the coil $A$ is $5$ sin $(10 \pi t )$ ampere, find the maximum $emf$ induced in the coil $B$.
→A wheel of moment of inertia $1 \mathrm{~kg} \cdot \mathrm{m}^2$ is rotating at a speed of $40 \mathrm{rad} / \mathrm{s}$. Due to the friction on the axis, the wheel comes to rest in 10 minutes. Calculate the angular momentum of the wheel, two minutes before it comes to rest.
→What is the capacitive reactance of a capacitor of 5µF at a frequency of (1) 50 Hz and (2) 20KHZ?