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fsc 2nd year Physics guess paper 2019

Fsc 2nd year Physics guess paper 2019

12th class Physics Guess Paper All Punjab Boards or Fsc 2nd year Physics guess paper 2019

  1. Define electro statistics and how is it applied in xerography?
  2. What is electric potential and find electric potential at point due to point charge.
  3. Define capacitance? Derive an expression for capacitance of parallel plate capacitor.
  4. State and explain ohms law.
  5. What is potentiometer? Explain its construction, principle and working.
  6. What is wheat stone bridge? Explain and prove the principle of wheat stone bridge.
  7. State ampere s law and find the magnetic field due to current carrying solenald.
  8. Derive the relation of force of moving charge in a constant magnetic field.
  9. Describe the principle, construction and working of a galvanometer and how it is converted to ammeter and voltmeter.



  10. How can you find e/m of an electron? Explain
  11. State and derive faraday s law of electromagnetic law of induction.
  12. Derive an expression for energy stored in an inductor. Define energy density.
  13. What is transformer? Describe its principle, construction and working.
  14. Define alternating current generator? Give its principle, construction and working. Derive an expression for induced emf.
  15. Write the effect of capacitor only in a.c circuit. Define reactance and write expression for reactance of capacitor.
  16. Define impedence. Discuss alternating current through r-l series circuit.
  17. Draw and explain RLC series circuit. Write the properties of the series resonance.
  18. Write a note on A.C through capacitor.
  19. Describe the behaviour of RC and RL series circuit with an A.C source. Calculate the importance of both circuits by drawing their impedence diagram.
  20. Describe RLC series circuit and derive the relation for resonance frequncy and write down atleast two of its properties.
  21. Define strain? Find out strain energy in deformed material.
  22. Explain energy band theory on the basis of this theory categorize the kinds of solids.



  23. What is rectification? Explain full wave rectification by by bridge rectifier.
  24. What is transistor? How transistor used as an amplifiere.
  25. What is operational amplifier? Find the gain op-ampash non inverting amplifier.
  26. How the transistor can be used as an amplifier and Explain in detail which circuit diagram and calculate its gain?
  27. State the special theory of relativity with postulates and explain the results.
  28. Write a note on compton s effect and derive Einstein s equation.
  29. State and explain Heisenberg s uncertainty principle.
  30. What is photo electric effect? How its different results were successfully explain by Einstein.
  31. Explain debroglie hypothesis? How Davison and German experimently verified the Debroglie hypothesis.
  32. Compute the shortest wavelength radiation in Balmer series. What value of n must be used.



  33. Calculate the longest wavelength radiation for the paschen series.
  34. State postulate of Bohr model of hydrogen atom and then show that hydrogen atom quantized radii. Also calculate the radius of first orbit of hydrogen atom.
  35. Explain inner shell transition and x-rays production.
  36. What is mass spectro graph? How is it used to find the mass of isotopes?
  37. Explain the principle, construction and working of Geiger Muller counter?
  38. What is nuclear fission? Explain fission chain reaction and the controlled reaction in reactor.
  39. Define accetones mass spectrograph and how it can be used for the detection of isotopes.

Some Important Numericals

Example Numerical
12.4 12.4 12.7 12.10 12.12
13.1 13.2 13.3 13.4 13.5 13.1 13.5
14.1 14.4 14.5 14.6 14.2 14.5 14.7
15.3 15.6 15.11 15.14 15.15 15.17 15.18
16.1 16.2 16.3 16.6 16.9
17.1 17.1 17.2 17.3 17.4 17.5
18.1 18.1
19.2 19.8 19.9 19.4 19.5 19.10
20.5 20.7
21.1 21.3 21.2 21.6 21.10

 

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fsc 2nd year Chemistry guess paper 2019

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