# Units and Dimensions MCQs Quiz Multiple Choice Questions & Answers

## Test Your Skills in Units and Dimensions Quiz Online

Dive into the fundamental world of Units and Dimensions with our comprehensive collection of multiple-choice questions and answers. Whether you're a student studying physics, an engineer dealing with measurements, or simply intrigued by the quantification of physical quantities, our meticulously curated selection covers a wide range of topics. Explore essential concepts such as unit conversion, dimensional analysis, and the SI system. With our user-friendly interface and detailed explanations, mastering the intricacies of units and dimensions has never been more engaging and accessible. Start your journey towards understanding the language of science and engineering today!

## Units and Dimensions Questions with Answers

1. ..............is needed for the experimental verification of various theories.

2. A ..............is the interval from one noon to the next noon.

3. A set of fundamental and derived units is known as

4. A unitless quantity

5. Accidental error can be minimised by

6. Checking the correctness of physical equations using the method of dimensions is based on

7. Constant error can be caused due to

8. Dimensional equation CANNOT be used

9. Error due to non-removal of parallax between pointer and its image in case of magnetic compass needle causes

10. If the pointer of the voltmeter is not exactly at the zero of the scale then the error is called

11. In cesium atomic clock ..............is used.

12. In which of following system, scientific data can be exchanged between different parts of the world?

13. Instrumental error can be minimised by

14. Light year is a unit for the measurement of

15. Maxwells equations relate to

16. Nano size of gold has ..............colour.

17. Out of the following units, which is NOT a fundamental unit?

18. S.I system of unit contains ..............supplementary unit.

19. Significant figures depends upon the ..............of the measuring instrument.

20. State the number of significant figures in6.032 J

21. Temperature can be expressed as a derived quantity in terms of

22. The atomic, molecular and nuclear phenomena are the parts of ..............domain.

23. The difference between the true value and measured value is called

24. The magnitude of the difference between mean value and each individual value is called

25. The mass of the body depends only on

26. The number of significant figures in 0.0009 is

27. The number of significant figures in 0.0500 is

28. The number of significant figures in 0.400 is

29. The physical quantity having the same unit in all the systems of unit is

30. The reference standard used for the measurement of a physical quantity is called

31. The SI unit of luminous intensity is

32. The value of the magnitude rounded off to the nearest integral power of 10 is called

33. To measure the distance of a planet from the earth ..............method is used.

34. Units are classified into ..............groups.

35. Universal time is based on

36. Which of the following is a supplementary unit?

37. Which of the following is NOT a characteristic of a good unit?

38. Which of the following is NOT a derived unit?

39. Which of the following is NOT a dimensionless quantity?

40. Which of the following is the CORRECT way of writing units?

41. Which of the following quantity is expressedas force per unit area?

42. Zero error of an instrument introduces