Chapter - 2 Measurement - Test 1

1. The quantities of length force and time are called base quantities

1) False
2) True
2. Standard meter is a bar of alloy of gold and iridium

1) False
2) True
3. A day consists of 24 hours

1) True
2) False
4. A cesium atomic clock is used as a standard measure of one kilogram

1) True
2) False
5. A cesium atomic clock is used as a standard measure of one kilogram

1) True
2) False
6. The unit of absolute temperature is candela

1) False
2) True
7. 1mm2 = 10-6 m2

1) False
2) True
8. Vernier caliper can measure accurately upto 0.01 cm

1) False
2) True
9. The measuring errors are divided into two types

1) True
2) False
10. There are 3 base units in the system international

1) False
2) True
11. There are 1000 meters in one kilometer

1) False
2) True
12. Density is the mass per unit volume

1) True
2) False
13. Volume of sphere is V= 4/3 Pi r3

1) True
2) False
14. In the relation s = k x t k is the sign of proportionality

1) True
2) False
15. A light year is the distance covered by light in vacuum in one day

1) True
2) False
16. The radius of earth is 6.4 x 106 meters

1) True
2) False
17. Mass of electron is 9.1x 10-28 grams

1) False
2) True
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