Physical Quantities and Units

Get Started. It's Free
or sign up with your email address
Rocket clouds
Physical Quantities and Units by Mind Map: Physical Quantities and Units

1. Seven basic quantities

1.1. length

1.1.1. m/metre

1.2. mass

1.2.1. kg/kilogram

1.3. time

1.3.1. s/second

1.4. electric current

1.4.1. A/ampere

1.5. temperature

1.5.1. K/kelvin

1.6. amount of substance

1.6.1. Cd/candela

1.7. luminous intensity

1.7.1. mol/mole

2. Prefixes in units

2.1. tera

2.1.1. 10.12

2.2. giga

2.2.1. 10.9

2.3. mega

2.3.1. 10.6

2.4. kilo

2.4.1. 10.3

2.5. hecto

2.5.1. 10.2

2.6. deka

2.6.1. 10.1

2.7. deci

2.7.1. 10.-1

2.8. centi

2.8.1. 10.-2

2.9. milli

2.9.1. 10.-3

2.10. micro

2.10.1. 10.-6

2.11. nano

2.11.1. 10.-9

2.12. pico

2.12.1. 10.-12

2.13. femto

2.13.1. 10.-15

3. Length

3.1. The Metre Rule

3.1.1. precision : 1.000m to 0.001m(1mm)

3.1.2. parallex error

3.1.2.1. wrong positioning of the eye

3.2. The Vernier Calipers

3.2.1. precision : 0.01cm/0.1mm

3.3. The Micrometer Screw Gauge

3.3.1. precision : 0.001cm/0.01mm

4. Mass

4.1. Electronic Beam Balance

4.1.1. 0.1g

5. Time

5.1. Digital Stopwatch

5.1.1. precision : 0.01s

5.2. Analogue Stopwatch

5.2.1. precision : 0.1s

5.3. Pendulum

5.3.1. Oscillation