MCQ
A string fixed at both the ends is vibrating in two segments. The wavelength of the corresponding wave is
- A$\frac{l}{4}$
- B$\frac{l}{2}$
- ✓$l$
- D$2 \mathrm{I}$
✓
Answer
Correct option: C.
$l$
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
The equation of a progressive wave is given by $y=a \sin (628 t-31.4 x)$ If the distances are expressed in $\mathrm{cms}$ and time in seconds, then the wave velocity will be
→The work function for metals $A, B$ and $C$ are respectively $1.92 \mathrm{eV}$, $2.0 \mathrm{eV}$ and $5 \mathrm{eV}$. According to Einstein's equation, the metals which will emit photo electrons for a radiation of wavelength $4100 \mathring A$ is/are
→A particle of mass $m$ is hanging vertically by an ideal spring of force constant $K$. If the mass is made to oscillate vertically, its total energy is
→Dimensional formula of capacitance is
The amplification produced by a triode is due to the action of
A system goes from $A$ to $B$ via two processes 1 and 11 as shown in figure. If $\Delta U_1$ and $\Delta U_2$ are the changes in internal energies in the processes 1 and 11 respectively, then
→A particle is executing simple harmonic motion with frequency $f$. The frequency at which its kinetic energy change into potential energy is
→For a satellite escape velocity is $11 \mathrm{~km} / \mathrm{s}$. If the satellite is launched at an angle of $60^{\circ}$ with the vertical, then escape velocity will be
→Which of the following does not depend upon the magnetic effect of some sort
The ratio of momenta of an electron and an $\alpha$-particle which are accelerated from rest by a potential difference of $100 \mathrm{~V}$ is
→