Class 11 Physics: Units & Measurements Online Test - Exam
GK Aim: A Treasure of MCQs

Class 11 Physics — Chapter 2: Units and Measurements Online Test

Start Your Test by Choosing a Paper

0%

Class 11 Physics: Units and Measurements Online Test (Paper 1)

Welcome to Paper 1! This is your foundation to build confidence and get you ready to tackle the challenges ahead.

  • Total Questions: 20
  • Time Allotted: 30 minutes
  • Passing Score: 40%
  • Randomization: No
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 20

1. In dimensional analysis, what is the role of dimensional constants?

2 / 20

2. Which field often uses dimensional analysis to verify the validity of new theoretical models or equations?

3 / 20

3. What does error analysis aim to achieve in experimental measurements?

4 / 20

4. Which ancient timekeeping device uses the flow of water from one container to another to measure time intervals?

5 / 20

5. Which property of an object is used to calculate the force due to gravity?

6 / 20

6. Which unit of time is commonly used for measuring short durations, such as intervals between events?

7 / 20

7. Which unit of mass is equivalent to 1000 milligrams?

8 / 20

8. Which instrument measures the mass of an object electronically using a load cell and a digital display?

9 / 20

9. Which unit of mass is equal to one-thousandth of a gram?

10 / 20

10. Which instrument is used to investigate the topography and properties of materials at sub-nanometer scales?

11 / 20

11. Which instrument is used to measure the precise distance changes in an interferometer setup for highly accurate length measurements?

12 / 20

12. Which technique for measuring large distances involves measuring the time delay between the transmission and reception of a signal bounced off a distant object?

13 / 20

13. Which measuring tool is used for measuring distances both horizontally and vertically in surveying?

14 / 20

14. Which measuring tool is ideal for measuring the diameter of a pipe?

15 / 20

15. Which unit of length is smaller: decimeter or kilometer?

16 / 20

16. Which unit of length is used to measure the height of a tall building?

17 / 20

17. Convert 500 square meters to square kilometers.

18 / 20

18. Which unit of length is equal to meters?

19 / 20

19. Convert 5000 grams to kilograms.

20 / 20

20. Convert 2500 millimeters to meters.

Please provide information to view your result.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

0%

Class 11 Physics: Units and Measurements Online Test (Paper 2)

Welcome to Paper 2! You’ve mastered the basics, and now it’s time to test your understanding with a more challenging set of questions.

Get new questions on each attempt

  • Total Questions: 30
  • Time Allotted: 45 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 30

1. A meter scale has a systematic error of +1.0 mm. The true length of a rod if the observed length is 50.00 cm is:

2 / 30

2. Which concept allows scientists to predict the behavior of physical systems without knowing the specifics of every variable involved?

3 / 30

3. The wavelength nm. Convert to meters with absolute uncertainty.

4 / 30

4. Which statistical measure is commonly used to quantify the spread or variability of data points in repeated measurements?

5 / 30

5. What is the value of the SI prefix kilo-?

6 / 30

6. Which non-SI unit is used to measure force?

7 / 30

7. Which SI prefix signifies ?

8 / 30

8. Which instrument was historically used for measuring time at sea before modern navigation technologies?

9 / 30

9. What is the dimensional formula for acceleration?

10 / 30

10. Which method involves training personnel to minimize errors caused by inconsistent techniques or practices?

11 / 30

11. Which advantage of the SI system supports international collaboration in scientific research?

12 / 30

12. Which measuring tool is used for rough measurements of lengths in construction?

13 / 30

13. Which property of an object is used to calculate the force due to gravity?

14 / 30

14. What is the value of the SI prefix centi-?

15 / 30

15. Which unit of mass is suitable for measuring the weight of very small quantities, such as the active ingredients in medications?

16 / 30

16. Who introduced the concept of the metric system during the French Revolution?

17 / 30

17. Which instrument is dependent on sunlight for accurate time measurement?

18 / 30

18. Which measuring tool is best suited for measuring the length of a large object like a room?

19 / 30

19. Which type of error occurs unpredictably and varies randomly in magnitude and direction?

20 / 30

20. Which technique for measuring large distances is commonly used in astronomy to measure distances to stars and galaxies?

21 / 30

21. Which of the following derived quantities is measured in pascals (Pa)?

22 / 30

22. What role do standard units play in international trade and commerce?

23 / 30

23. Which type of uncertainty arises from limitations in the measuring instruments and the methods used?

24 / 30

24. Which type of error can be identified and corrected through careful experimental design and control?

25 / 30

25. What term describes the range within which the true value of a measurement is expected to lie?

26 / 30

26. Which type of error is attributed to mistakes or inconsistencies in the way measurements are taken?

27 / 30

27. Which of the following is a consequence of using inaccurate measurements in scientific research?

28 / 30

28. What is the importance of significant figures in scientific measurements?

29 / 30

29. Which instrument is used to measure the precise distance changes in an interferometer setup for highly accurate length measurements?

30 / 30

30. Which unit of time is equal to 7 days?

Please provide information to view your result.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

0%

Class 11 Physics: Units and Measurements Online Test (Paper 3)

Welcome to Paper 3! You’ve warmed up—now it's time to step up your game and conquer the challenge with tougher questions!

Earn a certificate upon passing

Get new questions with every attempt

  • Total Questions: 50
  • Time Allotted: 75 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 50

1. Which instrument measures time using the position of the sun's shadow?

2 / 50

2. How does the SI system promote efficiency in healthcare practices?

3 / 50

3. On which planet would the weight of an object be the highest compared to its mass on Earth?

4 / 50

4. Which instrument is used to measure the dimensions and profiles of microstructures with high precision and depth resolution?

5 / 50

5. Which instrument is used to produce detailed images and measure the dimensions of microstructures by scanning a beam of electrons?

6 / 50

6. Which term describes the degree of consistency or reproducibility of multiple measurements of the same quantity?

7 / 50

7. What is the SI base unit for measuring the luminous intensity of light?

8 / 50

8. Convert m³ to cm³.

9 / 50

9. Round the product to the correct significant figures.

10 / 50

10. Which unit of mass is equal to one-thousandth of a gram?

11 / 50

11. What is dimensional analysis primarily used for in physics and engineering?

12 / 50

12. How does the SI system contribute to reducing errors in scientific calculations?

13 / 50

13. Compute with sig-fig rules.

14 / 50

14. The slope of vs is measured as . If , what is the relative uncertainty in predicted at a fixed ?

15 / 50

15. Convert 4 hours to seconds.

16 / 50

16. Which instrument is preferred for measuring mass in educational settings due to its simple operation and clear visual indication?

17 / 50

17. Which unit of length is equal to 1000 meters?

18 / 50

18. Which unit of time is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between two hyperfine levels of the ground state of cesium-133?

19 / 50

19. Which type of error can lead to a consistent overestimation or underestimation of the true value being measured?

20 / 50

20. Which technique for measuring large distances relies on the principle of measuring the angles of a triangle formed by observing distant objects?

21 / 50

21. What is the role of a standard unit of measurement in science?

22 / 50

22. Which ancient civilization is known for using water clocks as timekeeping devices?

23 / 50

23. What is the SI unit of electric potential difference?

24 / 50

24. Which unit of length is used to measure the height of a tall building?

25 / 50

25. Convert 2500 millimeters to meters.

26 / 50

26. Which instrument is suitable for measuring short durations accurately, often used in scientific experiments?

27 / 50

27. Determine the order of magnitude of .

28 / 50

28. How does the SI system contribute to global trade and commerce?

29 / 50

29. Which type of error can be identified and corrected through careful experimental design and control?

30 / 50

30. In a pendulum experiment m and s. Compute and its absolute uncertainty.

31 / 50

31. Which derived quantity is defined as the rate of doing work?

32 / 50

32. Which SI base unit measures the amount of a substance?

33 / 50

33. What is the educational benefit of teaching students about standard units?

34 / 50

34. Which unit of time is approximately equal to 365.25 days?

35 / 50

35. What is the SI derived unit for pressure?

36 / 50

36. Which instrument measures the mass of an object by comparing it to known masses on two pans?

37 / 50

37. A vernier caliper has least count 0.01 cm. Main scale reading is 2.30 cm and 6th vernier division coincides. Zero error is −0.02 cm. What is the corrected length?

38 / 50

38. Which measuring tool is best suited for measuring the thickness of a book?

39 / 50

39. Which property of an object is used to calculate the force due to gravity?

40 / 50

40. Which method involves conducting sensitivity analysis to identify and minimize the impact of uncertain factors on measurement results?

41 / 50

41. Which scientist was instrumental in promoting the adoption of the metric system internationally?

42 / 50

42. Which type of error occurs unpredictably and varies randomly in magnitude and direction?

43 / 50

43. Why is it important to have multiple measurements in an experiment?

44 / 50

44. Which type of error can be minimized by calibrating measuring instruments regularly?

45 / 50

45. What is the dimensional formula for velocity?

46 / 50

46. Which measuring tool is used to measure very small distances with high precision, such as the thickness of a wire?

47 / 50

47. Which measuring tool is used for measuring distances both horizontally and vertically in surveying?

48 / 50

48. Which instrument is used to investigate the topography and properties of materials at sub-nanometer scales?

49 / 50

49. Which of the following best describes a systematic error?

50 / 50

50. A star has parallax arcsec. Find its distance in meters (1 pc m).

Please provide accurate information so we can send your Achievement Certificate by mail.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

Practice Units and Measurements MCQs
Download Class 11 Physics MCQ Study Bundle

Class 11 Physics: Chapter 2 Units & Measurements — Online Test

Class 11 Physics: Units & Measurements Online Test gives you a true exam-style MCQ experience. Solve timed questions, get instant results, review answers, and—on clearing Paper 3—download your certificate. The tests are free, NCERT/CBSE-aligned, and allow unlimited retakes. Use them like a quick chapter-wise mock test / quiz before school exams or competitive exams such as JEE and NEET.

Feeling the pressure of measurement errors, significant figures, or dimensional analysis? You’re not alone. This page is your calm practice space for Units & Measurements. Take short, focused MCQ online tests on your phone or laptop, see what’s working, fix what’s not, and build confidence—step by step. When you’re ready, aim for Paper 3 and earn a certificate.

What’s inside this Units & Measurements Online Test?

Three exam-style MCQ papers for Chapter 2 (Units & Measurements):

  • Paper 1 (Easy) — Foundation: 20 questions · 30 min · Pass 40% · Fixed set
  • Paper 2 (Medium) — Mixed: 30 questions · 45 min · Pass 50% · Randomized from a large pool
  • Paper 3 (Hard) — Challenge: 50 questions · 75 min · Pass 70% · Randomized + Certificate on pass

Note: You’ll see fresh mixes of questions on every attempt in Paper 2 & 3. All papers are timed, auto-evaluated, and show your score with answer review.

Key topics covered (Units & Measurements)

  • International System of Units (SI) — base & derived units, unit conversions
  • Measurement of length, mass, and time — vernier calipers, screw gauge, spherometer
  • Accuracy vs precision — least count, resolution
  • Errors & Uncertainty — systematic & random, absolute/relative/percentage error
  • Error propagation — addition/subtraction/multiplication/division rules
  • Significant figures — rules & rounding
  • Dimensions & dimensional analysis — checking homogeneity, deriving relations
  • Order of magnitude & estimation

How the online test works

Quick flow: Pick a paper → answer MCQs within time → submit → see score + analysis. Pass Paper 3 to download the certificate.

On-screen experience

  • MCQs: One question, four options
  • Timer: P1: 30 min • P2: 45 min • P3: 75 min
  • Navigation: Next/Prev buttons and question map
  • Result page: score %, correct/incorrect/unanswered, time taken, and answer review
  • Retake: Restart any paper anytime (fresh mixes in P2 & P3)

Marking & pass criteria

  • Scoring: +1 for correct, 0 for incorrect (no negative marking)
  • Passing marks: Paper 1 — 40% • Paper 2 — 50% • Paper 3 — 70%
  • Randomization: Paper 2 & 3 pull questions from a larger pool on each attempt; Paper 1 stays fixed

Who should take this test?

  • CBSE/NCERT Class 11 students revising Chapter 2 (Units & Measurements)
  • JEE/NEET foundation aspirants building accuracy & speed in basic measurement concepts
  • Bridge learners revising fundamentals before Class 12
  • Teachers & tutors needing ready-to-use chapter tests
  • International curricula (IGCSE/IB/AP) needing objective practice on universal measurement ideas

Why this online test helps

  • Exam feel: timed papers, pass %, auto-submit
  • Instant feedback: know your strengths/weaknesses immediately
  • Step-up difficulty: Easy → Mixed → Hard (+ certificate)
  • Unlimited attempts: fresh mixes in P2 & P3, practice till confident
  • Free & safe: no payment, no login required

Smart study plan for this chapter

  • Step 1 — Concept check: Attempt Paper 1 after reading the chapter (aim ≥ 40%). Note weak subtopics (e.g., error propagation, sig. figs.).
  • Step 2 — Build accuracy: Attempt Paper 2 (randomized). Focus on recurring mistakes.
  • Step 3 — Exam readiness: Attempt Paper 3 strictly within time (target ≥ 70%).
  • Step 4 — Review & revise: Study the answer review; keep a short error-log for repeated pitfalls.
  • Step 5 — Retention: Re-attempt after 24–48 hours to cement learning.

Important notes before you start

  • Do not refresh or close the tab during the test
  • Best experience: latest Chrome/Edge, stable internet, distraction-free screen
  • Privacy & safety: 100% free—ignore any payment requests

FAQs on Units & Measurements Online Test ▼

Subscribe
Notify of
guest
0 Comments
Inline Feedbacks
View all comments

Related MCQs

Scroll to Top