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Class 11 Physics: Units and Measurements
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MCQs on units international system, length, mass and time measurements, instruments accuracy and precision, significant figures, dimensional formulae and equations, physical quantities dimensions, dimensional analysis and applications.

Class 11 Physics: Units and Measurements
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25 Questions

1. What is the unit of measurement of solid angles?
2. Mass is a _____
3. The number of significant digits in 1559.00 is ____
4. The length of a cube is 2.3 cm. What is its volume rounded off to 4 significant digits in cm3?
5. Which of the following are NOT units of time?
6. The dimension whose unit does not depend on any other dimension's unit is known as ________
7. In an experiment, it is found that the experimental value is very close to actual value, hence the experimental value can be called _____
8. Usually, what is the least count of a screw gauge?
9. How many inches are there in 1 yard?
10. Distance between two cities, in standard units will be measured in ______
11. What is the number 75.66852 rounded off to 5 significant digits?
12. Convert 5 N to Dynes.
13. In 5 experiments with the same objective, the values obtained are very near to each other. These values can be called ____
14. How many milliseconds make one second?
15. 89 Mega Joules can also be expressed as _____
16. What is the full form of SI?
17. Which of the following devices cannot measure distance?
18. Which of the following is a unit of temperature?
19. Assuming standard notations, which of the following quantities is dimensionless?
20. Mass can be measured using _____
21. What is least count of an instrument?
22. Mass can be explained as _____
23. The volume of a box, 10 m wide, 4.5m, long and 2.3 m high up to 3 significant digits in m3 is ____
24. How many years are there in one millennium?
25. What does a Voltmeter measure?