Dual nature, atoms, nuclei and semiconductors are formula-light and high-yield — excellent marks-per-hour.
Physics Part 2 (Class 12) — Chapter 11: Dual Nature of Radiation and Matter, Pages 395–515
Key pages to master: 397, 418, 440, 460, 490
KE_max = hν − φ; stopping potential eV₀ = KE_max
E_n = −13.6/n² eV; rₙ = n²a₀
N = N₀(½)^(t/T); Q = Δm × 931.5 MeV
Diode conducts in forward bias; know AND/OR/NOT truth tables
Six formulas (photoelectric, Bohr energy, de Broglie, half-life) cover most questions.
On average, 3 questions per paper come from Modern Physics — about 100% of the Physics paper, worth roughly 15 marks.
It is rated Easy. Six formulas (photoelectric, Bohr energy, de Broglie, half-life) cover most questions.
Physics Part 2 (Class 12), Chapter 11 (Dual Nature of Radiation and Matter), pages 395–515. CUET UG questions stay within NCERT scope.
10 minutes. Bloom-level questions. Know exactly where you stand.