Explain the difference between forward and reverse biasing of a diode. How does biasing affect the flow of current in a p-n junction diode?
Define the binding energy of a nucleus. How does the binding energy per nucleon vary with atomic mass number?
Describe the photoelectric effect and explain Einstein’s photoelectric equation. How does it demonstrate the particle nature of light?
Describe the construction and working of a compound microscope. What factors affect its magnifying power?
What is total internal reflection? Explain the conditions under which it occurs and provide a real-life example.
List the electromagnetic spectrum in order of increasing frequency. What are some applications of ultraviolet radiation?
State Ampere’s circuital law. Use it to find the magnetic field inside a long, current-carrying solenoid.
Define electric potential at a point in an electric field. Derive the expression for the electric potential due to a point charge at a distance r.
Describe the principle of a parallel plate capacitor. How does the capacitance of a parallel plate capacitor change when the distance between the plates is halved?
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