Modern Physics (Weightage 5%)  

Topics from Modern Physics

  • Bohr model, energy levels, hydrogen spectrum. (18 concepts)
  • Radioactivity-alpha, beta and gamma particles/rays and their properties (8 concepts)
  • Mass-energy relation, mass defect; (6 concepts)
  • radioactive decay law. (12 concepts)
  • nuclear fission, and fusion. (4 concepts)
  • Semiconductor diode (10 concepts)
  • I-V characteristics in forward and reverse bias (3 concepts)
  • diode as a rectifier (2 concepts)
  • Junction transistor, transistor action, characteristics of a transistor (2 concepts)
  • transistor as an amplifier (common emitter configuration) and oscillator. (2 concepts)
  • solar cell and Zener diode; Zener diode as a voltage regulator. (2 concepts)
  • I-V characteristics of LED, photodiode (2 concepts)
  • Logic gates (OR, AND, NOT, NAND and NOR). (7 concepts)
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