List of top Physics Questions asked in PSEB XII

When forward biasing is applied to the PN junction, width of depletion layer increases. (T/F)
Which of the following pairs is an isobar?
When Boron is added as impurity to silicon, semiconductor becomes:
What is the name given to the type of electromagnetic waves used to capture photographs of earth in foggy conditions?
What will happen if the electron revolving around nucleus of an atom becomes stationary?
What is the angle between reflected ray and refracted ray when angle of incidence is equal to angle of polarization?
Which mirror is used as shaving mirror?
Lenz’s law gives:
Path of charged particle entering in uniform magnetic field at an angle \( 60^\circ \) is:
The electrical resistance of metals:
The effect of temperature of the conductor on the drift velocity of electrons.
The electric potential inside a conducting sphere is:
Electric field intensity due to an electric dipole of very small length at a point on axial line at a distance r from its center varies as: