Download App

Electrostatics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectrostatics1 Mark
MCQ
Assertion : The force with which one plate of a parallel plate capacitor is attracted towards the other plate is equal to square of surface density per $\epsilon$ per unit area.
Reason : The electric field due to one charged plate of the capacitor at the location of the other is equal to surface density per $\epsilon$.
  • A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • C
    If assertion is true but reason is false.
  • ✓
    If the assertion and reason both are false.
✓

Answer

Correct option: D.
If the assertion and reason both are false.
If the assertion and reason both are false.

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

Explore more

More "M.C.Q (1 Marks)" from Electrostatics→Electrostatics — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Thermal neutrons are those which(a) Are at very high temperature(b) Move with high velocities(c) Have kinetic energies similar to those of surrounding molecules (d) Are at rest
 
 
 
 
→
Out of dia, para and ferromagnetism, the universal property of all substances is:
→
A coil develops heat of 800 cal/sec. When 20 volts is applied across its ends. The resistance of the coil is (1 cal = 4.2 joule)(a) 1.2 Ω(b) 1.4 Ω(c) 0.12 Ω(d) 0.14 Ω
       
→
The name atom belongs to which language?
→
Deuterium is the most common isotope of hydrogen. How many neutrons does it have?
→
The example of nuclear fusion is
→
The production of e.m.f. by maintaining a difference of temperature between the two junctions of two different metals is known as(a) Joule effect(b) Seebeck effect(c) Peltier effect(d) Thomson effect
       
→
Consider the situation of the previous problem. The directions of the magnetic field due to the dipole are opposite at$:$
→
At zero Kelvin a piece of germanium (a) Becomes semiconductor(b) Becomes good conductor(c) Becomes bad conductor(d) Has maximum conductivity
   
   
→
The number of photons of wavelength $540\ nm$ emitted per second by an electric bulb of power $100W$ is $($taking $h = 6 \times 10^{-34}J-\sec)$
→