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Physics - Units and Dimensions

Practise 31 MHTCET previous year questions on Units and Dimensions, compiled from papers spanning 2010 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty MHTCET tests.

Units and Dimensions has been asked in 6 of the 17 years of MHTCET papers analysed (2007–2026), with 31 questions in all. 68% of them were easy, 26% moderate and 6% tough. Most of its questions came from 2020, with 15 questions that year. In the last three years (2024–2026) it had 1 question across 59 papers, about 0 per paper.

The chapter's 2 topics are not weighted equally: Dimensions (22 questions, 71%) and Units (9 questions, 29%) have been asked the most. Dimensions has also led over the last five years, with 1 question. Dimensions has produced the most tough questions (2).

  1. 1According to Boyle's law, the product PV remains constant. The SI unit of PV is same as that of13 Apr, 2026 (M)Units
  2. 2According to Boyle's law the product remain constant. The dimension of is same as11 Aug, 2022 (M)Dimensions
  3. 3What is the SI unit of density?24 Sep, 2021 (M)Units
  4. 4In the equation, pressure and represent the distance and time respectively. The dimensions of are20 Oct, 2020 (M)Dimensions
  5. 5In the expression , the dimensions of physical quantities and are and respectively. The dimensions of quantities and are20 Oct, 2020 (E)Dimensions
  6. 6Out of the following units, the WRONG unit of magnetic dipole moment is20 Oct, 2020 (E)Units
  7. 7Let , where and are lengths. The physical quantity ' is19 Oct, 2020 (E)Units
  8. 8Let ' ' and 'b' be Stefan's constant and Wien's constant respectively, then dimensions of ' ' are19 Oct, 2020 (E)Dimensions
  9. 9Let force where and are displacement and time respectively. The dimensions of are same as dimensions of16 Oct, 2020 (M)Dimensions
  10. 10Force where and are displacement and time respectively. Which one of the following physical quantity has the dimensions of15 Oct, 2020 (M)Dimensions
  11. 11The SI unit of is acceleration due to gravity, constant of gravitation15 Oct, 2020 (E)Units
  12. 12Let the inductance and resistance be denoted by 'L' and 'R' respectively. The dimensions of are14 Oct, 2020 (M)Dimensions
  13. 13The refractive index of the medium is , where and are constants and is the wavelength of light. The dimensions of are same as that of14 Oct, 2020 (M)Dimensions
  14. 14If 'E', 'M', 'L' and 'G' denote energy, mass, angular momentum and constant of gravitaion respectively then has dimensions of13 Oct, 2020 (M)Dimensions
  15. 15The dimensions of Planck's constant are same as the product of13 Oct, 2020 (M)Dimensions
  16. 16If the dimensions of a physical quantity are given by then the physical quantity is12 Oct, 2020 (M)Dimensions
  17. 17The dimensions of magnetic intensity are12 Oct, 2020 (E)Dimensions
  18. 18Which one of the following combination of constants has dimensions of time? constant of gravitation, Planck's constant, velocity of light12 Oct, 2020 (E)Dimensions
  19. 19The radius of the earth and the radius of orbit around the sun are 6371 k m and 149 × 10 6 k m respectively. The order of magnitude of the d02 May, 2019 (M)Units
  20. 20The dimensions of torque are same as that of02 May, 2019 (M)Dimensions
  21. 21Dimensions of Gyromagnetic ratio are02 May, 2019 (M)Dimensions
  22. 22The SI unit an dimension of Stefan’s constants σ in case of Stefan’s law of radiation is2019 (M)Dimensions
  23. 23In case of dimensions of electric field and electric dipole moment the power of mass is respectively.2019 (M)Dimensions
  24. 24In damped SHM, the SI unit of damping constant is2019 (M)Units
  25. 25Which of the following is the dimensional formula for electric polarisation?2019 (M)Dimensions
  26. 26L 2 M 1 T - 2 are the dimension of2019 (M)Dimensions
  27. 27The force ‘F’ acting on a body of density ‘d’ are related by the reflection F = y d . The dimensions of ‘y’ are2019 (E)Dimensions
  28. 28The dimensions of self or mutual inductance are given as2019 (E)Dimensions
  29. 29The ratio of the dimensions of Planck’s constant of that of moment of inertia is the dimension of2019 (E)Units
  30. 30If ‘x’, ‘v’ and ‘a’ denote the displacement, velocity and acceleration of a particle respectively executing SHM of periodic time t, then whi2019 (E)Units
  31. 31The dimensions of Planck's constant is the same as the product of2010Dimensions

Frequently Asked Questions

1.How many questions are available for Units and Dimensions?

This chapter includes 31 questions compiled from MHTCET papers spanning 2010 to 2026.

2.Are these questions only from MHTCET, or from other exams too?

These are MHTCET questions specifically for the Units and Dimensions chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Units and Dimensions an important chapter for MHTCET Physics?

Units and Dimensions has appeared in 6 of the 17 years of MHTCET papers covered here, with 31 questions across 17 papers - about 2 per paper it appears in.

4.What is the difficulty level of Units and Dimensions questions in MHTCET?

Of the 31 questions analysed for this chapter, 68% are easy, 26% moderate and 6% tough. 2020 had the most, with 15 questions.

5.Which topics in Units and Dimensions should I focus on?

These topics have carried the most weightage in Units and Dimensions:

  • Dimensions - 22 questions (71%)
  • Units - 9 questions (29%)
  • Dimensions has produced the most tough questions (2).
6.Is Units and Dimensions's weightage in MHTCET going up or down?

Across all 17 papers analysed, Units and Dimensions has averaged about 1.8 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.