Units and Measurements

30 topics, ranked by how often each is asked.

Practise Units and MeasurementsBrowse all questions
  • 53 questions
  • 34 papers
  • 3% of Physics

Topics

The squares are the last ten exam years: filled means it was asked that year.

Topics

30 topics · 53 questions
  1. 1Vernier Callipers and Zero Error1.9%1 questionPractise Vernier Callipers and Zero Error
  2. 2Propagation of Errors3.8%2 questionsPractise Propagation of Errors
  3. 3Vernier Calipers and Least Count1.9%1 questionPractise Vernier Calipers and Least Count
  4. 4Dimensional Analysis32%17 questionsPractise Dimensional Analysis
  5. 5Errors in Measurement5.7%3 questionsPractise Errors in Measurement
  6. 6Combination of Errors1.9%1 questionPractise Combination of Errors
  7. 7Dimensions and Units of Physical Quantities1.9%1 questionPractise Dimensions and Units of Physical Quantities
  8. 8Dimensional Formulae5.7%3 questionsPractise Dimensional Formulae
  9. 9Significant Figures3.8%2 questionsPractise Significant Figures
  10. 10Measurement of Length – Screw Gauge3.8%2 questionsPractise Measurement of Length – Screw Gauge
  11. 11Units of Energy – Electron Volt1.9%1 questionPractise Units of Energy – Electron Volt
  12. 12Errors in Measurement – Combination of Errors1.9%1 questionPractise Errors in Measurement – Combination of Errors
  13. 13Unit systems and dimensional consistency (c = 1 convention)1.9%1 questionPractise Unit systems and dimensional consistency (c = 1 convention)
  14. 14Vernier callipers and least count1.9%1 questionPractise Vernier callipers and least count
  15. 15Significant figures in measured and derived quantities1.9%1 questionPractise Significant figures in measured and derived quantities
  16. 16Error analysis - propagation of errors1.9%1 questionPractise Error analysis - propagation of errors
  17. 17Screw gauge - least count and reading1.9%1 questionPractise Screw gauge - least count and reading
  18. 18Mean absolute error and relative error1.9%1 questionPractise Mean absolute error and relative error
  19. 19Conversion between degree, minute and radian1.9%1 questionPractise Conversion between degree, minute and radian
  20. 20Significant figures - vernier calliper readings1.9%1 questionPractise Significant figures - vernier calliper readings
  21. 21Dimensional analysis of mechanical quantities1.9%1 questionPractise Dimensional analysis of mechanical quantities
  22. 22Dimensional formulae1.9%1 questionPractise Dimensional formulae
  23. 23Propagation of errors1.9%1 questionPractise Propagation of errors
  24. 24Vernier callipers - least count1.9%1 questionPractise Vernier callipers - least count
  25. 25Dimensional analysis1.9%1 questionPractise Dimensional analysis
  26. 26Screw gauge – zero error correction1.9%1 questionPractise Screw gauge – zero error correction
  27. 27Dimensional analysis – forming a physical quantity1.9%1 questionPractise Dimensional analysis – forming a physical quantity
  28. 28Dimensional analysis – Planck length1.9%1 questionPractise Dimensional analysis – Planck length
  29. 29Systems of units1.9%1 questionPractise Systems of units
  30. 30Dimensional Formula1.9%1 questionPractise Dimensional Formula

Questions per paper

Asked in 16 of the last 16 papers (2017–2026).

  1. 2026: 3 questions
  2. 2026 Re-NEET: 1 question
  3. 2025: 2 questions
  4. 2024: 3 questions
  5. 2024 Re-NEET: 3 questions
  6. 2023: 2 questions
  7. 2023 Manipur: 2 questions
  8. 2022: 3 questions
  9. 2022 Phase 2: 2 questions
  10. 2021: 3 questions
  11. 2020: 4 questions
  12. 2020 Phase-2: 2 questions
  13. 2019: 1 question
  14. 2019 Odisha: 1 question
  15. 2018: 1 question
  16. 2017: 1 question

Concepts tested

  • Propagation of errors 3
  • Change of fundamental units 2
  • Dimensional analysis 2
  • Dimensions of physical quantities 2
  • Combination of Percentage Errors
  • Comparing dimensions
  • Conversion between degree, minute and radian
  • Conversion of units
  • converting joules to electron volts
  • Deriving a relation by dimensions
  • Dimensional analysis of mechanical quantities
  • Dimensional formulae
  • dimensional-analysis-length
  • Dimensionless quantities: solid angle vs strain/angle
  • dimensions of E/G
  • Dimensions of energy density
  • Dimensions of G
  • Dimensions of h and I