Chap 1: Physical Quantities, Units & Measurements Flashcards
Give examples of base quanities
mass, length, time, current, temperature, amount of substance
SI unit of mass
kg (kilogram)
SI unit of length
m (metre)
SI unit of time
s (second)
SI unit of current
A (ampere)
SI unit of temperature
K (kelvin)
SI unit of amount of substance
mol (mole)
‘formula’ of standard form
a x 10^b, where 1 </= a < 10
precision of metre rule
0.1cm/1mm [up to 1m]
precision of measuring tape
0.1cm/1mm [up to several m]
precision of vernier calipers
0.01cm/0.1mm [up to 15cm]
precision of digital calipers
0.001cm/0.01mm [up to 15cm]
precision of micrometer screw gauge
0.001cm/0.01mm [up to 2.5cm]
precision of digital micrometer screw gauge
0.0001cm/0.001mm [up to 2.5cm]
Factor for tera (T)
10^12
Factor for giga (G)
10^9
Factor for mega (M)
10^6
Factor for kilo (k)
10^3
Factor for deci (d)
10^-1
Factor for centi (c)
10^-2
Factor for milli (m)
10^-3
Factor for micro (μ)
10^-6
Factor for nano (n)
10^-9
What is considered as a full oscillation (period)?
X to Y to Z to Y back to X
[X to Z to X]
