Units and Dimensions

Every Units and Dimensions attribute, distilled.

Units and Dimensions is an important topic in General Studies for competitive exam aspirants. This guide gives you a clear, exam-focused explanation of Units and Dimensions, shows how it is typically asked, and pairs it with solved practice questions so you can learn the approach and test yourself right away. Work through the questions below to build speed and accuracy.

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Q1Consider the following pairs: 1. Pascal — Pressure 2. Tesla — Magnetic flux 3. Joule — Work done Which of the above pairs are correctly matched?MediumSolve →Q2The dimensional formula for Planck’s constant is:MediumSolve →Q3Which one of the following sets of quantities has the same dimensions?MediumSolve →Q4Statement: If the length is measured in km instead of meters, then the unit of energy in terms of SI units would:MediumSolve →Q5Which of these is a dimensionless quantity?MediumSolve →Q6Which physical quantity has the dimensions [ML⁰T⁻²]?MediumSolve →Q7The unit of solid angle is:MediumSolve →Q8Which has the same dimension as impulse?MediumSolve →Q9Choose the pair of base units:MediumSolve →Q10The dimension of surface tension is:MediumSolve →

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