List of top Physics Questions asked in Bihar Board Class XII

The distance between two charges is made half and one of the charges is also halved. The force acting between the two will become as compared to previous value.
If the critical angle for total internal reflection from any medium to vacuum is 30°, then the velocity of light in the medium is.
Image formed by convex mirror is always
In a purely inductive circuit, the power factor is
In an a.c. circuit containing only capacitor, the phase difference between current and voltage is
In resonance condition, the frequency of L-C circuit is
The peak value of an alternating current is 10 A. Its root mean square value will be?
When an ammeter is shunted then its measurement limit
If the number of turns is increased in any moving coil galvanometer, then its sensitivity
At neutral points
Dimensional formula of permeability is.
Unit of \( \frac{{\mu_0}}{{\epsilon_0}} \) is.
Kilowatt-hour (kWh) is the unit of
The capacity of any condenser does not depend upon
The electric field on the outer surface of a charged conductor is
If a conductor is placed in an external electric field, the field inside the conductor will be?
Which of the following statements is true for two point charges of opposite sign?
Gauss’s law states that the electric flux through a closed surface is
Which of the following laws is based on the principle of energy conservation?
Two equal positive point charges of 1 μC charge are kept at a distance of 1 metre in air. The electric potential energy of the system will be.
Which one of the following is the unit of capacity?