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Physics exam analytics & most important topics

Built from every previous year question in our library. Pick your exam to see which subjects and topics matter most.

50 Most Important Physics Topics — all five exams
Full PhysicsByAaryan study guide · 250 ranked topics · free with login
720
Questions analysed
2015–2026
Years covered
10
Subjects
51
Topics

In IIT JAM Physics, Waves Oscillations and Optics carries the most weight (14.7% of questions), and the single most-asked topic is Electrostatics.

Subject weightage

Waves Oscillations and Optics106 · 14.7%
Electromagnetism102 · 14.2%
Classical Mechanics96 · 13.3%
Electronics88 · 12.2%
Mathematical Physics88 · 12.2%
Modern Physics79 · 11%
Thermodynamics73 · 10.1%
Solid State Physics39 · 5.4%
Quantum Mechanics31 · 4.3%
Statistical Mechanics18 · 2.5%

Question types

MCQ360 · 50%
NAT240 · 33%
MSQ120 · 17%

Questions per year

60
2015
60
2016
60
2017
60
2018
60
2019
60
2020
60
2021
60
2022
60
2023
60
2024
60
2025
60
2026

Top 50 most important IIT JAM topics

  1. 1
    Electrostatics
    Electromagnetism · asked in 12 years · last 2026
    35
    4.86%
  2. 2
    Basic Mechanics
    Classical Mechanics · asked in 12 years · last 2026
    33
    4.58%
  3. 3
    Central forces and gravitation
    Classical Mechanics · asked in 12 years · last 2026
    31
    4.31%
  4. 4
    Vector Analysis
    Mathematical Physics · asked in 11 years · last 2026
    29
    4.03%
  5. 5
    Laws of thermodynamics
    Thermodynamics · asked in 11 years · last 2026
    28
    3.89%
  6. 6
    Relativity
    Modern Physics · asked in 11 years · last 2026
    25
    3.47%
  7. 7
    EM Waves
    Electromagnetism · asked in 12 years · last 2026
    24
    3.33%
  8. 8
    Ray Optics
    Waves Oscillations and Optics · asked in 11 years · last 2026
    24
    3.33%
  9. 9
    Basic Calculus
    Mathematical Physics · asked in 12 years · last 2026
    22
    3.06%
  10. 10
    Diodes
    Electronics · asked in 12 years · last 2026
    21
    2.92%
  11. 11
    Digital Electronics
    Electronics · asked in 12 years · last 2026
    20
    2.78%
  12. 12
    Kinetic theory of gases
    Thermodynamics · asked in 11 years · last 2026
    20
    2.78%
  13. 13
    Electrodynamics
    Electromagnetism · asked in 12 years · last 2026
    18
    2.5%
  14. 14
    Nuclear Physics
    Modern Physics · asked in 11 years · last 2025
    18
    2.5%
  15. 15
    Polarization
    Waves Oscillations and Optics · asked in 11 years · last 2026
    18
    2.5%
  16. 16
    Waves
    Waves Oscillations and Optics · asked in 9 years · last 2026
    18
    2.5%
  17. 17
    Crystallography
    Solid State Physics · asked in 10 years · last 2026
    17
    2.36%
  18. 18
    SHM
    Waves Oscillations and Optics · asked in 9 years · last 2026
    17
    2.36%
  19. 19
    Magnetostatics
    Electromagnetism · asked in 10 years · last 2026
    16
    2.22%
  20. 20
    Rotational Motion
    Classical Mechanics · asked in 11 years · last 2025
    16
    2.22%
  21. 21
    Interference
    Waves Oscillations and Optics · asked in 10 years · last 2026
    15
    2.08%
  22. 22
    Matrices
    Mathematical Physics · asked in 12 years · last 2026
    15
    2.08%
  23. 23
    Potential Well
    Quantum Mechanics · asked in 10 years · last 2026
    15
    2.08%
  24. 24
    OPAMP
    Electronics · asked in 11 years · last 2026
    14
    1.94%
  25. 25
    Transistors
    Electronics · asked in 10 years · last 2026
    12
    1.67%
  26. 26
    AC Circuits
    Electronics · asked in 10 years · last 2026
    11
    1.53%
  27. 27
    Bulk Matter
    Classical Mechanics · asked in 10 years · last 2025
    11
    1.53%
  28. 28
    Light Matter interaction
    Modern Physics · asked in 9 years · last 2026
    11
    1.53%
  29. 29
    Atomic Physics
    Modern Physics · asked in 9 years · last 2026
    10
    1.39%
  30. 30
    Basic Electronics
    Electronics · asked in 9 years · last 2026
    10
    1.39%
  31. 31
    Basic Quantum Mechanics
    Quantum Mechanics · asked in 8 years · last 2026
    10
    1.39%
  32. 32
    Thermodynamic potential and Maxwell relations
    Thermodynamics · asked in 7 years · last 2025
    10
    1.39%
  33. 33
    Diffraction
    Waves Oscillations and Optics · asked in 7 years · last 2025
    9
    1.25%
  34. 34
    Electric filed in matter
    Electromagnetism · asked in 7 years · last 2025
    9
    1.25%
  35. 35
    Carnot Cycle
    Thermodynamics · asked in 7 years · last 2026
    8
    1.11%
  36. 36
    Complex Analysis
    Mathematical Physics · asked in 8 years · last 2026
    8
    1.11%
  37. 37
    Debroglie and uncertainty principle
    Modern Physics · asked in 5 years · last 2026
    8
    1.11%
  38. 38
    Semiconductor Physics
    Solid State Physics · asked in 7 years · last 2026
    8
    1.11%
  39. 39
    Xray diffraction
    Solid State Physics · asked in 8 years · last 2026
    8
    1.11%
  40. 40
    Black Body Radiations
    Modern Physics · asked in 7 years · last 2025
    7
    0.97%
  41. 41
    Differential Equations
    Mathematical Physics · asked in 7 years · last 2026
    7
    0.97%
  42. 42
    Fourier Series
    Mathematical Physics · asked in 7 years · last 2026
    7
    0.97%
  43. 43
    Phase transition
    Thermodynamics · asked in 7 years · last 2026
    7
    0.97%
  44. 44
    Quantum Stat. Mech.
    Statistical Mechanics · asked in 6 years · last 2024
    7
    0.97%
  45. 45
    Canonical Ensemble
    Statistical Mechanics · asked in 6 years · last 2025
    6
    0.83%
  46. 46
    Harmonic Oscillator
    Quantum Mechanics · asked in 5 years · last 2026
    6
    0.83%
  47. 47
    Miller Indices
    Solid State Physics · asked in 6 years · last 2024
    6
    0.83%
  48. 48
    Damped and Forced Oscillator
    Waves Oscillations and Optics · asked in 5 years · last 2024
    5
    0.69%
  49. 49
    Pseudo Forces
    Classical Mechanics · asked in 5 years · last 2026
    5
    0.69%
  50. 50
    Microcanonical Ensemble
    Statistical Mechanics · asked in 3 years · last 2023
    3
    0.42%