Explain the working of a p-n junction diode. Describe its forward and reverse bias characteristics.
Describe Rutherford’s model of the atom and state its limitations. How did the Bohr model address these limitations?
Explain the photoelectric effect and describe the experimental observations. Derive Einstein’s photoelectric equation.
Describe Young’s double-slit experiment and derive the expression for fringe width in terms of wavelength, slit separation, and distance to the screen.
Explain the phenomenon of total internal reflection. Derive the condition for total internal reflection in terms of the critical angle.
Explain the concept of power in an AC circuit. Derive the expression for the power dissipated in a circuit containing only a resistor.
Define mutual induction. Explain the concept and derive the expression for the induced emf in a coil due to a change in current in a neighboring coil.
State Ampere’s circuital law and apply it to find the magnetic field inside a long, straight current-carrying conductor.
Explain Kirchhoff’s laws of electric circuits and use them to derive the formula for equivalent resistance in a parallel circuit.
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