Board of Intermediate Education Karachi Xii Physics Midnight Section B Short 1. Derive on the basis of kinetic molecular theory. 2. Derive e/m ratio of an electron by J.J. Thomson experiment. 3. Prove that average translational kinetic energy of ideal gas molecule is directly proportional to its absolute temperature. 4. Explain the difference between isothermal and adiabatic processes. 5. Write down the two statements of second law of thermodynamics and prove their equivalence. 6. State Faraday's Law, Lenz's Law and Curie's Law, Boyle's Law on basis of KMT. 7. Explain resonance in RLC circuit OR Define transistor and explain its use as a switch and amplifier. 8. Define: entropy, ammeter, voltmeter, self-induction, mutual induction, Young's modulus, bulk modulus, impedance, diode and its biasing, rectifier with types. 9. Define: logic gates AND and OR with truth tables, inertial and non-inertial frames of reference, nuclear fission and explain chain reaction control. 10. Write note on: photoelectric effect, laser, law of radioactive decay and its half-life, conversion of galvanometer into ammeter and voltmeter.