MCQ
The integral multiple of fundamental frequencies are ______ 
  • A
    beats
  • B
    resonance
  • C
    overtones
  • harmonics

Answer

Correct option: D.
harmonics
The integral multiple of fundamental frequencies are harmonics.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The fundamental frequency of transverse vibrations of a stretched string of radius $r$ is proportional to
The power factor of an $R-L$ circuit is $\frac{1}{\sqrt{2}}$. If the frequency of $A C$ is doubled power factor will now be
An alternating voltage $c=200 \sqrt{2} \sin (100 t)$ volt is connected to $1 \mu F$ capacitor through a.c. ammeter. The reading of ammeter is
An uncharged parallel-plate capacitor filled with a material of dielectric constant $k$ is connected to a parallel-plate air capacitor of identical geometry charged to a potential V. At equilibrium, common potential difference across them is $V^{\prime}$. The dielectric constant $k$ is equal to $V^{\prime}-V$
Torque acting on a rectangular coil carrying current $I$ situated parallel to magnetic field of induction $B$ having number of turns $n$ and area $A$ is
Two unknown resistances are connected in two gaps of a meter$-$bridge. The null point is obtained at $40 \ cm$ from left end. A $30 \Omega$ resistance is connected in series with the smaller of the two resistances, the null point shifts by $20 \ cm$ to the right end. The value of smaller resistance in $\Omega$ is
A microscope with numerical aperture 0.122 is used with light of wavelength $6000 A$. The limit of resolution is
When photons of energy $h v$ fall on metal plate of work function ' $W_0$ ' photoelectrons of maximum kinetic energy ' $K$ ' are ejected. If the frequency of the radiation is doubled, the maximum kinetic energy of the ejected photoelectrons will appear
If a Carnot refrigerator works between $250 K$ and $300 K$, its coefficient of performance $=$
For wavelength of visible radiation of hydrogen spectrum Balmer gave an equation as $\lambda=\frac{\left( km ^2\right)}{\left( m ^2-4\right)}$, where ' $m$ ' is the integer value. The value of $k$ in terms of Rydberg's constant $R$ is