# 2nd Year Physics Important Questions

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These are 2nd Year Physics Important Questions. These Physics Guess Papers for Class 12 are according to Punjab Board previous exams. Prepare these questions thoroughly to get the best marks in board exams. If you have any queries then ask @ahsa.pk any time.

## 2nd Year Physics Important Long Questions

1. Discuss Coulomb’s law in detail.
2. Distinguish between Electric and Gravitational field.
3. Explain Gauss’s law and Electric Intensity due to an infinite sheet of charge.
4. Discuss charge on an electron by Millikan’s Method.
5. Define and explain resistivity and its dependence on temperature.
6. Write a note on Kirchhoff’s Rules(first and second).
7. Explain Wheatstone bridge with the help of a diagram.
8. Discuss the rheostat as a potential divider.
9. Define and explain Ampere’s Law.
10. Explain field due to current carrying solenoid.
11. Write a note on force on a moving charge in the magnetic field.
12. Derive e/m of an electron.
13. Explain CRO in detail.
14. Write a note on Motional Emf.
15. Discuss Faraday’s law and induced emf.
16. Write a note on mutual induction.
17. Explain self-induction.
18. What is a generator? Explain AC generator.
19. Explain energy stored in an inductor.
20. Write a note on DC motor.
21. Explain transformer in detail.
22. Write a note on AC through resistor.
23. Explain AC through capacitor.
24. Discuss AC through inductor.
25. Write a note on R-C and R-L series circuit.
26. Explain R-L-C circuit.
27. Explain L-C parallel circuit.
28. What is Elastic limit and Yield point?
29. Explain Strain energy.
30. Write a note on energy band theory
31. Explain hysteresis loss.
32. Discus rectification.
33. Explain transistor as an amplifier.
34. Explain transistor as switch.
35. Discuss OP-amplifier as an inverting and non-inverting amplifier.
36. Discuss OP-Amplifier as comparator and comparator as night switch.
37. Write a note on photoelectric effect.
38. Explain Compton’s effect in detail.
39. Explain Gravisson and Germer experiment.
40. Write a note on production of X-rays.
41. Explain population inversion and laser action
42. What is laser and write its uses.
43. Explain mass spectrograph.
44. Explain mass defect and binding energy.
45. Write a note on Geiger Muller counter.
46. Explain nuclear fission and chain fission reaction.

Guess Papers for Class 12

Schemes of Class 12

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