MCQ
The dimensions of surface charge density is:
  • $[L-2 T A].$
  • B
    $[L-1 T A].$
  • C
    $[L T A].$
  • D
    None.

Answer

Correct option: A.
$[L-2 T A].$

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

If the two metals $A$ and $B$ are exposed to radiation of wavelength $350\,nm$. The work functions of metals $A$ and $B$ are $4.8\,eV$ and $2.2\,eV$. Then choose the correct option
A dip needle lies initially in the magnetic meridian when it shows an angle of dip q at a place. The dip circle is rotated through an angle x in the horizontal plane and then it shows an angle of dip $\theta^{\prime}$. Then $\frac{\tan \theta^{\prime}}{\tan \theta}$ is
For the $RC$ circuit shown, the resistance is $R = 10.0\ W$, the capacitance is $C = 5.0\ F$ and the battery has voltage $\xi= 12$ volts . The capacitor is initially uncharged when the switch $S$ is closed at time $t = 0$. At some time later, the current in the circuit is $0.50\ A$. What is the magnitude of the charge across the capacitor at that moment?.......$µC$
The threshold wavelength for photoelectric emission from a material is $5200\, Å$. Photo-electrons will be emitted when this material is illuminated with monochromatic radiation from a
According to photon theory of light which of the following physical quantities associated with a photon do not/does not change as it collides with an electron in vacuum
Assertion : In the purely resistive element of a series $LCR$, $AC$ circuit the maximum value of $rms$ current increases with increase in the angular frequency of the applied $e.m.f$.

Reason : ${I_{\max }} = \frac{{{\varepsilon _{\max }}}}{z},\,z\, = \,\sqrt {{R^2} + {{\left( {\omega L - \frac{1}{{\omega C}}} \right)}^2}} ,$

where $I_{max}$ is the peak current in a cycle.

Light waves travel in vacuum along the $X-$axis. Which of the following may represent the wavefronts?
The number of amplitude modulated broadcast stations that can be accommodated in a $300\, kHz$ band width for the highest modulating frequency $15\, kHz$ will be
A coil having 500 square loops each of side 10 cm is placed normal to a magnetic flux which increases at the rate of 1.0 tesla/second. The induced e.m.f. in volts is
$A$ long straight wire of circular cross-section is made of a non-magnetic material. The wire is of radius $a$. The wire carries a current $I$ which is uniformly ditributed over its cross-section. The energy stored per unit lenght in the magnetic field contained within the wire is