Physics Practice: Physical Quantities and Measurement (Mock Test 5 - Ultimate Comprehensive)
1. A measurement consists of two parts: a number and a ________.
2. Which of the following is a fundamental physical quantity?
3. To measure the diameter of a cricket ball accurately, we should use:
4. The mass of $1 \text{ cm}^3$ of water at $4^\circ\text{C}$ is exactly:
5. A clinical thermometer has a range of $35^\circ\text{C}$ to $42^\circ\text{C}$ because:
6. If the level of water in a measuring cylinder rises from $20 \text{ ml}$ to $35 \text{ ml}$ after dropping a stone, the volume of the stone is:
7. Which of the following represents the largest area?
8. The density of water is $1000 \text{ kg/m}^3$. This is equal to:
9. "BIM" (Bureau of Indian Standards) ensures that the measuring instruments used in shops are:
10. 24 hours are equal to ________ minutes.
11. A 'Eureka Can' is used to find the volume of an irregular solid by measuring:
12. The zero of a Fahrenheit scale ($32^\circ\text{F}$) represents the:
13. Which instrument provides the highest precision for measuring time in a laboratory?
14. $1 \text{ kg/m}^3$ is a unit of:
15. To avoid parallax error, the line of sight must be ________ to the scale.
16. The length, breadth, and height of a box are $10 \text{ cm}$ each. Its volume in litres is:
17. A beam balance measures ________ whereas a spring balance measures ________.
18. The interval of 100 years is called a:
19. In a density bottle experiment, why is the bottle always filled to the brim?
20. If $1 \text{ cm} = 10 \text{ mm}$, then $1 \text{ cm}^2$ is equal to ________ $mm^2$.