Physical quantities and units

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Physical quantities and units 作者: Mind Map: Physical quantities and units

1. Length (m)

1.1. Microimeter screw gauge 0.01 mm)

1.2. Metre rule (1 mm)

1.3. Vernier calipers

2. Time (s)

2.1. Instruments

2.1.1. Digital stopwatch (0.01 s)

3. Electric current (A)

4. Thermodynamic temperature (K)

5. Luminous intensity (Cd)

6. Amount of substance (mol)

7. Mass (kg)

7.1. Electronic beam balance (0.1 g)

7.2. Beam balance

7.3. Sliding balance

8. Prefixes

8.1. Tera

8.1.1. T

8.1.1.1. 10 to the power of 12

8.2. Giga

8.2.1. G

8.2.1.1. 10 to the power of 9

8.3. Mega

8.3.1. M

8.3.1.1. 10 to the power of 6

8.4. Kilo

8.4.1. k

8.4.1.1. 10 to the power of 3)

8.5. Hecto

8.5.1. h

8.5.1.1. 10 square

8.6. deka

8.6.1. da

8.6.1.1. 10 to the power of 1

8.7. deci

8.7.1. d

8.7.1.1. 10 to the power of -1

8.8. centi

8.8.1. c

8.8.1.1. 10 to the power of -2

8.9. milli

8.9.1. m

8.9.1.1. 10 to the power of -3

8.10. micro

8.10.1. u

8.10.1.1. 10 to the power of -6

8.11. nano

8.11.1. n

8.11.1.1. 10 to the power of -9

8.12. pico

8.12.1. p

8.12.1.1. 10 to the power of -12

8.13. femto

8.13.1. f

8.13.1.1. 10 to the power of -15