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Units And Measurements Questions

Practice 53 Units And Measurements questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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53
Total Questions
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14
Easy
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37
Medium
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2
Hard
Practice by Exam:Physics(38)General Science(8)General Awareness(2)General Studies(1)Science(1)General Science@NUM: 44(1)Mathematics(1)PHYSICS(1)

About Units and Measurements — practice questions, PYQs & concepts

Units and Measurements is a frequently-tested topic on Physics, General Science, General Awareness. ExamTest.live currently lists 53 Units and Measurements 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 Measurements weight in competitive exams

Across our Units and Measurements question bank, the largest sources are Physics (38), General Science (8), General Awareness (2), General Studies (1) and Science (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 14 easy Units and Measurements 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.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Units And Measurements Questions(1–53 of 53)

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Q1mediummcqPhysicsCompetitive Exam Practice2026
0% accuracy
The unit of 'magnetic flux' is:
Q2mediummcqGeneral AwarenessCompetitive Exam2026
0% accuracy
In physics, steradian is a unit of:
Q3mediummcqScienceSSC General Awareness2026
50% accuracy
What is the unit of the physical quantity, (Radioactive) Activity?
Q4hardmcqPhysicsNEET (UG) 20172026
0% accuracy
A physical quantity of the dimensions of length that can be formed out of , and is:
Q5mediummcqGeneral ScienceSSC CGL2026
0% accuracy
What is the unit of the physical quantity, Magnetic flux?
Q6mediummcqGeneral AwarenessSSC CGL2026
0% accuracy
1 joule is equal to 1 ________
Q7mediummcqGeneral ScienceSSC CGL2026
0% accuracy
What is the unit of the physical quantity "Inductance"?
Q8mediummcqPhysicsNEET 20192026
0% accuracy
In an experiment, the percentage of error occurred in the measurement of physical quantities and are and respectively. Then the maximum percentage of error in the measurement , where , will be:
Q9mediummcqPhysicsSSC CGL2026
100% accuracy
Which of the following is NOT dimensionless?
Q10mediummcqPhysicsSSC CGL2026
0% accuracy
Which of the following is a unit of energy?
Q11mediummcqGeneral ScienceSSC CGL2026
0% accuracy
A ______ is one billionth of a metre.
Q12mediummcqGeneral ScienceSSC CGL2026
What is the unit of the physical quantity "Young's modulus"?
Q13mediummcqGeneral ScienceStaff Selection Commission2026
What is the unit of the physical quantity "Jerk"?
Q14mediummcqPhysicsStaff Selection Commission2026
What is the standard SI unit of the physical quantity "Magnetic field strength" (H)?
Q15easymcqGeneral ScienceIndian Competitive Exams2026
Farad is unit of ________.
Q16mediummcqGeneral Science@NUM: 44SSC CGL2026
What is the unit of the physical quantity "Stress"?
Q17easymcqPhysicsCompetitive Exam2026
The SI unit of momentum is ________.
Q18mediummcqGeneral ScienceSSC CGL2026
What is the unit of the physical quantity Entropy?
Q19mediummcqPhysicsCompetitive Exam2026
A 'Light-year' is scientifically defined as:
Q20mediummcqPhysicsCompetitive Exam2026
What is the unit of the physical quantity "Heat capacity"?
Q21mediummcqPhysicsCompetitive Exam Mock2026
'Curie' is unit of
Q22mediummcqGeneral ScienceCompetitive Exams2026
Pascal is a unit of:
Q23mediummcqPhysicsCompetitive Exam2026
The unit of energy in MKS system is:
Q24mediummcqMathematicsCompetitive Exams2026
is equal to:
Q25mediummcqPhysicsGovernment Exams2026
Pascal is a unit of
Q26mediummcqPhysicsCompetitive Exam2026
The unit of energy in MKS system is
Q27mediummcqGeneral StudiesWBCS Prelims 20212026
Which of the following is not a unit of distance?
Q28mediummcqPhysicsCompetitive Exam Practice Paper2026
is equivalent to
Q29easymcqPhysicsAIEEE2026
The respective number of significant figures for the numbers , and are:
Q30easymcqPhysicsNEET (UG) 20182026
A student measured the diameter of a small steel ball using a screw gauge of least count . The main scale reading is and zero of circular scale division coincides with divisions above the reference level. If screw gauge has a zero error of , the correct diameter of the ball is:
Q31mediummcqPHYSICSNEET 20192026
The main scale of a vernier calliper has divisions/cm. divisions of the vernier scale coincide with divisions of the main scale. The least count of the vernier calliper is:
Q32easymcqPhysicsNEET 2020 E12026
A screw gauge has least count of and there are divisions in its circular scale. The pitch of the screw gauge is:
Q33easymcqPhysicsNEET 2020 E12026
Taking into account of the significant figures, what is the value of ?
Q34easymcqPhysicsNEET 2020 E12026
Dimensions of stress are:
Q35mediummcqPhysicsNEET 20212026
If force , acceleration and time are chosen as the fundamental physical quantities. Find the dimensions of energy.
Q36mediummcqPhysicsNEET 20212026
If and respectively denote energy and gravitational constant, then has dimensions of:
Q37mediummcqPhysicsNEET 20212026
A screw gauge gives the following readings when used to measure the diameter of a wire:Main scale reading: Circular scale reading: Given that on main scale corresponds to on the circular scale. The diameter of the wire from the above data is:
Q38mediummcqPhysicsNEET 20222026
The area of rectangular field (in ) of length and breadth after rounding off the value for correct significant digits is:
Q39easymcqPhysicsNEET 20232026
The errors in measurement which arise due to unpredictable fluctuations in temperature and voltage supply are:
Q40hardmcqPhysicsNEET 20232026
A metal wire has mass , radius and length . The maximum possible percentage error in the measurement of density will nearly be:
Q41easymcqPhysicsNEET (UG) 20242026
A force defined by acts on a particle at a given time . The factor which is dimensionless, if and are constants, is:
Q42mediummcqPhysicsNEET (UG) 20242026
In a vernier calipers, divisions of vernier scale coincide with divisions of main scale. If represents , the vernier constant (in ) is:
Q43easymcqPhysicsNEET (UG) 20242026
The quantities which have the same dimensions as those of solid angle are:
Q44mediummcqPhysicsAIEEE2026
Two full turns of a screw gauge cover . Total divisions on circular scale is . Zero error is . While measuring, main scale reading is and circular scale is . The diameter of the wire is:
Q45mediummcqPhysicsCompetitive Exam2026
Which of the following is the SI-derived unit for measuring electric conductance?
Q46easymcqPhysicsPhysics
0% accuracy
A physical quantity is related to four observations , , and as follows:

The percentage errors of measurement in , , and are , , and respectively. The percentage error in the quantity is:
Q47mediummcqPhysicsPhysics
2% accuracy
Consider the diameter of a spherical object being measured with the help of a Vernier callipers. Suppose its Vernier Scale Divisions (V.S.D.) are equal to its Main Scale Divisions (M.S.D.). The least division in the M.S. is and the zero of V.S. is at when the jaws of Vernier callipers are closed.
If the main scale reading for the diameter is and the number of coinciding vernier division is , the measured diameter after zero error correction, is:
Q48mediummcqPhysicsPhysics
In an experiment, four quantities and are measured with percentage error , , and respectively. Quantity is calculated as follows: . The percentage error in is:
Q49mediummcqPhysicsPhysics
Density is . In a system where unit of length is and unit of mass is , the numerical value of density is:
Q50easymcqPhysicsPhysics
If the dimensions of a physical quantity are given by , then the physical quantity will be:
Q51easymcqPhysicsPhysics
The velocity of a particle at time is given by, where , and are constants. The dimensions of , , and are respectively:
Q52mediummcqPhysicsPhysics
Dimension of electrical resistance is:
Q53easymcqPhysicsPhysics
"Parsec" is the unit of:

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Units And Measurements questions are commonly asked in Physics, General Science, General Awareness, General Studies, Science. You can filter by exam using the links above.
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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.