Physics - Units and Dimensions
Practise 29 COMEDK previous year questions on Units and Dimensions, compiled from papers spanning 2012 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 COMEDK tests.
Units and Dimensions has been asked in 12 of the 15 years of COMEDK papers analysed (2012–2026), with 29 questions in all. 79% of them were easy, 21% moderate and 0% tough. Most of its questions came from 2024, with 5 questions that year. In the last three years (2024–2026) it had 12 questions across 8 papers, about 1.5 per paper.
The chapter's 2 topics are not weighted equally: Dimensions (26 questions, 90%) and Units (3 questions, 10%) have been asked the most. Dimensions has also led over the last five years, with 15 questions.
- 1The velocity of a body moving in a viscous medium is given by where t is time; dimensions of A and C are09 May, 2026 (S1)Dimensions
- 2The dimensional formula for specific resistance is:09 May, 2026 (S2)Dimensions
- 3In the equation , where G- universal gravitation constant, h- Planck's constant and c- velocity of light, the dimensions of X are that of09 May, 2026 (S2)Dimensions
- 4If and denote resistance and inductance of a material, then the dimension of will be:10 May, 2025 (S1)Dimensions
- 5What is the dimensional formula for electric flux?10 May, 2025 (S2)Dimensions
- 6In the expression where and G represent Energy, Angular Momentum, Mass and Gravitational Constant, the dimensions of P are10 May, 2025 (S2)Dimensions
- 7Two physical quantities having the same dimensional formula are10 May, 2025 (S3)Dimensions
- 8If units of mass, length and gravitational constant are chosen to fundamental units, the dimensions of time would be2024 (Afternoon Shift)Dimensions
- 9The dimension is the physical quantity of2024 (Evening Shift)Dimensions
- 10Joule second is the unit of2024 (Evening Shift)Dimensions
- 11Find the value of ' ' in the given equation where ' ' is the pressure, ' ' density and ' ' velocity.2024 (Morning Shift)Dimensions
- 12Which of the given dimensional formula represents heat capacity2024 (Morning Shift)Dimensions
- 13The time dependence of a physical quantity P is give by where is a constant and is time. The constant will2023 (Evening Shift)Dimensions
- 14If be the capacitance and be the electric potential, then the dimensional formula of is2023 (Memory Based)Dimensions
- 15If and denote resistance and capacitance of a material, then the dimension of will be :2022Dimensions
- 16Which of the following quantity represents the dimensions of momentum?2021Dimensions
- 17The physical quantity having the same dimensions as Planck's constant is2019Dimensions
- 18SI unit of permittivity is2019Units
- 19The dimensional formula for inductance is2019Dimensions
- 20Dimensional formula for the universal gravitational constant is2018Dimensions
- 21Out of the following four dimensional quantities. which one qualifies to be called a dimensional constant?2017Dimensions
- 22Which one of the following is not a tunit of Young's modulus?2017Units
- 23The square root of the product of inductance and capacitance has the dimension of2017Dimensions
- 24The dimensions of universal gravitational constant is2014Dimensions
- 25Which two of the following quantities are dimensionally equivalent?2014Dimensions
- 26The dimensional formula for inductance is2013Dimensions
- 27The pair of quantities having same dimensions is2013Dimensions
- 28unit of permittivity is2013Units
- 29If , where is measured in metre and in second, then the dimension of is2012Dimensions
Frequently Asked Questions
1.How many questions are available for Units and Dimensions?
This chapter includes 29 questions compiled from COMEDK papers spanning 2012 to 2026.
2.Are these questions only from COMEDK, or from other exams too?
These are COMEDK 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 COMEDK Physics?
Units and Dimensions has appeared in 12 of the 15 years of COMEDK papers covered here, with 29 questions across 18 papers - about 2 per paper it appears in.
4.What is the difficulty level of Units and Dimensions questions in COMEDK?
Of the 29 questions analysed for this chapter, 79% are easy, 21% moderate and 0% tough. 2024 had the most, with 5 questions.
5.Which topics in Units and Dimensions should I focus on?
These topics have carried the most weightage in Units and Dimensions:
- Dimensions - 26 questions (90%)
- Units - 3 questions (10%)
6.Is Units and Dimensions's weightage in COMEDK going up or down?
Across all 18 papers analysed, Units and Dimensions has averaged about 1.6 questions per paper. In the last three years (2024–2026), that average has stayed about the same, at about 1.5 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.