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Units And Dimensions Questions

Practice 21 Units And Dimensions questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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21
Total Questions
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9
Easy
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10
Medium
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2
Hard
Practice by Exam:Physics(20)General Awareness(1)

About Units and Dimensions — practice questions, PYQs & concepts

Units and Dimensions is a frequently-tested topic on Physics, General Awareness. ExamTest.live currently lists 21 Units and Dimensions questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Units and Dimensions weight in competitive exams

Across our Units and Dimensions question bank, the largest sources are Physics (20) and General Awareness (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 9 easy Units and Dimensions questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
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  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Units And Dimensions Questions(1–21 of 21)

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Q1easymcqPhysicsAIEEE 20042026
0% accuracy
Which one of the following represents the correct dimensions of the coefficient of viscosity?
Q2mediummcqPhysicsAIEEE 20062026
0% accuracy
Which of the following units denotes the dimensions , where denotes the electric charge?
Q3mediummcqPhysicsAIEEE2026
Out of the following pair, which one does NOT have identical dimensions?
Q4mediummcqPhysicsPractice Paper2026
Which of the following is the SI unit of Impulse ?
Q5mediummcqPhysicsStaff Selection Commission2026
Which of the following is NOT a vector quantity?
Q6easymcqGeneral AwarenessSSC Selection Post 2021 Matriculation Level2026
The weight of an object of mass 1kg is approximately equal to ____ newton.
Q7mediummcqPhysicsJEE Main2026
Let denote the dimensional formula of the permittivity of vacuum. If and , then:
Q8easymcqPhysicsAIEEE 20122026
Resistance of a given wire is obtained by measuring the current flowing in it and the voltage difference applied across it. If the percentage errors in the measurement of the current and the voltage difference are 3% each, then error in the value of resistance of the wire is:
Q9mediummcqPhysicsAIEEE2026
The dimension of magnetic field in M, L, T and C (Coulomb) is given as:
Q10easymcqPhysicsAIEEE 20032026
The physical quantities not having same dimensions are:
Q11easymcqPhysicsAIEEE 20032026
Dimensions of , where symbols have their usual meaning, are:
Q12easymcqPhysicsNEET 20222026
Match List - I with List – II regarding gravitational quantities.
image
Q13easymcqPhysicsNEET 20222026
Plane angle and solid angle have:
Q14mediummcqPhysicsNEET 20222026
The dimensions belong to the:
Q15hardmcqPhysicsNEET 20172026
A physical quantity of the dimensions of length that can be formed out of , and is [ is velocity of light, is universal constant of gravitation and is charge]:
Q16mediummcqPhysicsPhysics
0% accuracy
The ratio of the dimensions of Planck's constant and that of the moment of inertia is the dimension of :
Q17mediummcqPhysicsPhysics
50% accuracy
The dimensions of are:
Q18hardmcqPhysicsPhysics
Planck's constant (), speed of light in vacuum () and Newton's gravitational constant () are three fundamental constants. Which of the following combinations of these has dimension of length?
Q19mediummcqPhysicsPhysics
If force (), velocity () and time () are taken as fundamental units, then the dimensions of mass are:
Q20easymcqPhysicsPhysics
The damping force on an oscillator is directly proportional to the velocity. The units of the constant of proportionality are:
Q21easymcqPhysicsPhysics
The dimension of , where is permittivity of free space and is electric field, is:

Frequently Asked Questions

How many Units And Dimensions questions are on ExamTest.live?▼
We have 21 Units And Dimensions questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Units And Dimensions MCQs free?▼
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Which exams include Units And Dimensions questions?▼
Units And Dimensions questions are commonly asked in Physics, General Awareness. You can filter by exam using the links above.
How do I practice Units And Dimensions questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.