List of top Physics Questions asked in Bihar Board Class XII

The resistance of a wire is 500 \(\Omega\). Its electrical conductivity will be:
Picofarad is the unit of:
The capacity of any condenser does not depend upon:
The capacity of a spherical conductor is \(1.0\) pF. Its radius will be:
The dielectric constant of a metal is:
Which of the following is blocked by a capacitor?
Two equal and opposite charges of 5 coulomb are kept mutually at a distance of 50 cm. The electric dipole moment of the system is:
On moving from the surface of a charged metallic sphere to the center of the sphere, the electric field:
If \( n \) electric dipoles are situated inside a closed surface, the total electric flux coming out from the closed surface will be:
In broad-side-on position, the electric potential due to an electric dipole is:
An electron is accelerated through a potential difference of 5 volts. The energy gained by the electron will be:
The relation between electric field \( E \) and electric potential \( V \) is:
The electrostatic energy of the system made by two electric dipoles kept at a distance \( r \) is proportional to:
The unit of linear charge density is:
The dimensional formula of the intensity of electric field is:
The number of electrons present in 8 coulomb negative charge is:
Determine the characteristic curve of Zener diode.
Draw graph between the angle of incidence and angle of deviation by using prism. Determine angle of minimum deviation (\(\delta_m\)).
Find the focal length of the given convex lens by plotting graph between u and v.
Plot the graph between \( \frac{1}{u} \) and \( \frac{1}{v} \) for the given concave mirror and then evaluate focal length by graph.
Observe polarization of light due to a thin slit.
Obtain a lens combination with the specified focal length using two lenses from the given lens.
Demonstrate dispersion of light after passing a white light through a prism.
Compare the e.m.f. of two given cells with the help of potentiometer.
With the help of given bulb, switch and power source, assemble a household circuit.