ICSE Class 6 Physics - Physical Quantities and Measurement - Test 3 (Advanced)
1. The least count of a measuring instrument means:
A. The largest value it can measure
B. The smallest value it can measure
C. The colour of the instrument
2. The least count of a common metre scale is usually:
A. 1 metre
B. 1 kilometre
C. 1 millimetre
3. Which instrument is best to measure the waist size of a person?
A. Measuring tape
B. Beam balance
C. Stopwatch
4. To measure the length of a curved line on paper, we can use:
A. A thermometer
B. A thread and a scale
C. A beam balance only
5. The volume of a small stone can be measured using:
A. A clock
B. A thermometer
C. A measuring cylinder with water
6. Water level in a measuring cylinder is 30 mL. After placing a stone, it becomes 45 mL. The volume of the stone is:
A. 15 mL
B. 30 mL
C. 75 mL
7. Which object has a regular shape whose volume can be found by measuring its sides?
A. A stone
B. A cube
C. A leaf
8. While measuring liquid volume, the measuring cylinder should be kept on a:
A. Slanting surface
B. Soft pillow
C. Flat horizontal surface
9. Why should we keep our eye at the level of the mark while reading a scale?
A. To avoid parallax error
B. To increase the object length
C. To change centimetres into kilograms
10. If a weighing balance does not show zero when nothing is placed on it, it has:
A. No error
B. Zero error
C. Colour error
11. Before using a balance, we should first check that its pointer is at:
A. The largest number
B. Any random mark
C. Zero mark
12. 1 litre is equal to:
A. 1000 mL
B. 100 mL
C. 10 mL
13. 250 cm is equal to:
A. 25 m
B. 2.5 m
C. 250 m
14. 2 kg is equal to:
A. 20 g
B. 200 g
C. 2000 g
15. Which unit is suitable for measuring the thickness of a coin?
A. Millimetre
B. Kilometre
C. Litre
16. Which unit is suitable for measuring the mass of a school bag?
A. Millilitre
B. Kilogram
C. Metre
17. Which unit is suitable for measuring a spoonful of medicine?
A. Kilometre
B. Kilogram
C. Millilitre
18. An object starts at 3 cm and ends at 12 cm on a ruler. Its length is:
A. 9 cm
B. 12 cm
C. 15 cm
19. Why is a measuring cylinder better than an ordinary cup for measuring liquid volume?
A. It has no markings
B. It has marked divisions
C. It changes liquid into solid
20. To get a more reliable measurement, it is helpful to:
A. Guess without measuring
B. Use a damaged instrument always
C. Repeat the measurement and take the average