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Physics - Units and Dimensions

Practise 14 KCET previous year questions on Units and Dimensions, compiled from papers spanning 2007 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 KCET tests.

Units and Dimensions has been asked in 14 of the 20 years of KCET papers analysed (2007–2026), with 14 questions in all. 79% of them were easy, 21% moderate and 0% tough. Most of its questions came from 2026, with 1 question that year. In the last three years (2024–2026) it had 3 questions across 3 papers, about 1 per paper.

The chapter's 2 topics are not weighted equally: Dimensions (11 questions, 79%) and Units (3 questions, 21%) have been asked the most. Dimensions has also led over the last five years, with 3 questions.

  1. 1Match the physical quantities given in List-I with dimensions expressed in terms of mass (M), length (L), time (T) and electric current (A) 2026Dimensions
  2. 2Which of the following expression can be deduced on the basis of dimensional analysis? (All symbols have their usual meanings)2025Dimensions
  3. 3Dimensional formula for activity of radioactive substance is2024Dimensions
  4. 4If \( P, Q \) and \( R \) are physical quantities having different dimensions, which of the following combinations can never be a meaningful2019Dimensions
  5. 5The dimensions of the ratio of magnetic flux \( ( ) \) and permeability \( ( ) \) are2018Units
  6. 6Two simple pendulums \( A \) and \( B \) are made to oscillate simultaneously and it is found that \( A \) completes \( 10 \) oscillations i2017Units
  7. 7The ratio of hydraulic stress to the corresponding strain is known as2015Dimensions
  8. 8The average power dissipated in A.C. circuit is \( 2 \) watt. If a current flowing through a circuit is \( 2 \) \( A \) and impedance is \( 2014Dimensions
  9. 9Which one of the following is not correct?2013Dimensions
  10. 10The dimensional formula of physical quantity is is [ ]. Then, that physical quantity is2012Dimensions
  11. 11If be the capacitance and be the electric potential, then the dimensional formula of is2011Dimensions
  12. 12The dimensions of resistance are same as those of......where is the Planck's constant, is the charge.2010Dimensions
  13. 13Dimensional formula for the universal gravitational constant is2008Units
  14. 14The dimensional formula for impulse is2007Dimensions

Frequently Asked Questions

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

This chapter includes 14 questions compiled from KCET papers spanning 2007 to 2026.

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

These are KCET 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 KCET Physics?

Units and Dimensions has appeared in 14 of the 20 years of KCET papers covered here, with 14 questions across 14 papers - about one per paper it appears in.

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

Of the 14 questions analysed for this chapter, 79% are easy, 21% moderate and 0% tough. 2026 had the most, with 1 question.

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

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

  • Dimensions - 11 questions (79%)
  • Units - 3 questions (21%)
6.Is Units and Dimensions's weightage in KCET going up or down?

Across all 14 papers analysed, Units and Dimensions has averaged about 1.0 questions per paper. In the last three years (2024–2026), that average has stayed about the same, at about 1.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.