List of top Questions asked in CGBSE Class XII

Name the apparatus that works on the principle of electromagnetic induction.
What will be the effect on capacitance of capacitor, when dielectric substance is inserted between the plates of the capacitor?
Write the names of the majority charge carriers in P-type semiconductor and N-type semiconductor.
Write two differences between conductance and resistance.
Write the reason behind the shining of diamond.
How many electrons make one coulomb charge?
The minimum deviation angle obtained by a prism of refracting angle $60^\circ$ is $30^\circ$. Calculate the refractive index of the material of prism.
Derive an expression for the capacitance of a parallel-plate capacitor when the medium between the plates is partially filled with a dielectric medium. What will be the effect on capacitance if it is completely filled by metallic strip?
Obtain an expression for fringe width in Young's double-slit experiment.
Write three differences between axial position and equatorial position in a magnet.
What is ultraviolet light? Write its two characteristics.