Download App

Electric Charges and Fields — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectric Charges and Fields1 Mark
Question
Two identically charged spheres when suspended by strings of equal lengths make an angle of $30^\circ$ with each other. The angle remains the same when they are immersed in a liquid of density less than the density of the material of the spheres. Choose the correct option
✓

Answer

The electric force between them decreases.

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 Electric Charges and Fields→Electric Charges and Fields — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Diffusion current in a p-n junction is greater than the drift current in magnitude:
  1. If the junction is forward-biased.
  2. If the junction is reverse-biased.
  3. If the junction is unbiased.
  4. In no case.
→
A long solenoid has $200$ turns per $cm$ and carries a current of $2.5$ amps. The magnetic field at its centre is $(\left.\mu_0=4 \pi \times 10^{-7} \text { weber } / \text { amp }-m\right)$
→
A ferromagnetic material is heated above its curie temperature. Which one is a correct statement(a) Ferromagnetic domains are perfectly arranged(b) Ferromagnetic domains becomes random(c) Ferromagnetic domains are not influenced(d) Ferromagnetic material changes itself into diamagnetic material
 
 
 
 
→
In a beryllium atom, if $a_0$ be the radius of the first orbit, then the radius of the second orbit will be in general
→
Which of the following statements is incorrect about hysteresis(a) This effect is common to all ferromagnetic substances(b) The hysteresis loop area is proportional to the thermal energy developed per unit volume of the material(c) The hysteresis loop area is independent of the thermal energy developed per unit volume of the material(d) The shape of the hysteresis loop is characteristic of the material
 
 
 
 
→
Heavy water is used as moderator in a nuclear reactor. The function of the moderator is(a) To control the energy released in the reactor(b) To absorb neutrons and stop chain reaction(c) To cool the reactor faster(d) To slow down the neutrons to thermal energies
 
 
 
 
→
In the figure given below, the current passing through $6 \Omega$  resistor is
→
Kinetic energy with which the electrons are emitted from the metal surface due to photoelectric effect is
→
In the given figure distance of the point from $A$ where the electric field is zero is
→
A resistor of resistance R is connected to an ideal battery. If the value of R is decreased, the power dissipated in the resistor will:
  1. Increase.
  2. Decrease.
  3. Remain unchanged.
→