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Want to pass the CBSE Physics Exam? Here’s how !

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Did you get very low marks in Physics and finding it too difficult to get pass marks?
Here is a systematic and easy to follow plan to succeed. Just believe me, you can get pass mark by following the instructions religiously.

1. Don’t leave a single question.

During the cool off time go through all the questions and decide the questions known well to you and mark them to attempt in the first round. Then have a look at the questions which may take some time to solve or of which you have some idea but the answer is not completely known. The rest of questions can be kept for third round where you will write an answer with the concepts known to you based on the hints which you may get from the question itself.

Attempting all questions is very important, because if you write an answer there is a chance to get some marks but if you do not write there is no chance of getting any mark for the question.

2. Practice the frequently asked portions

Please go through “MUST PRACTICE PORTIONS FOR CLASS XII” and practise the portions thoroughly.

3. Practice the Diagrams

You can find a list of important diagrams here shortly.

  1.  Electric field lines due to a points charge, a dipole, two negative charges, two positive charges etc.
  2. Electric field due to a dipole (axial position and equatorial position) diagram for derivation.
  3. Torque on a dipole in a uniform electric field
  4. Equipotential surfaces due to a point source, a line of charge and an electric dipole.
  5. Combination of resistors (in series and in parallel)
  6. Combination of cells. (diagram for derivation)
  7. Cyclotron
  8. Motional emf
  9. Mutual inductance of two solenoids
  10. AC generator
  11. AC circuit with R only
  12. AC circuit with L only
  13. AC circuit with C only
  14. LCR AC series circuit
  15. Impedance diagram
  16. LC oscillations
  17. Resonance in LCR series circuit
  18. Transformer
  19. Displacement current
  20. Ray diagram for image formation by Simple Microscope
  21. Ray diagram for image formation by Compound Microscope
  22. Ray diagram for image formation by Telescope in normal adjustment
  23. Ray diagram for image formation by Telescope when final image is at the least distance of distinct vision
  24. Prism formula
  25. Laws of reflection using Huygen’s wave theory
  26. Laws of reflection using Huygen’s wave theory
  27. Experimental arrangement for Young’s double slit experiment
  28. Expression for fringe width in Young’s double slit experiment
  29. Diffraction at a single slit
  30. Binding Energy per nucleon vs Mass number graph
  31. Distinction between conductors, insulators and semiconductors on the basis of energy band diagram.
  32. PN junction diode characteristics (circuit diagram and graph for forward bias and reverse bias)
  33. Half wave rectifier
  34. full wave rectifier
  35. zener diode as voltage regulator
  36. Transistor action
  37. Transistor characteristics in CE configuration (input characteristics and output characteristics)
  38. Transistor amplifier in CE configuration
  39. Download (PDF, 369KB)

  40. All Block diagrams from Communication (posted below)

    Download (PDF, 449KB)


(To be continued/ updated)

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