UPSC CDS/OTA

Units and Dimensions

General Studies

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Units and Dimensions

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Questions

30

Time

30 min

Marks

30

Solutions

All inline

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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