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Units and Measurement, Fundamental Forces of Nature - Coggle Diagram
Units and Measurement
Units
SI Units
Length
Mass
Time
Light Intensity
Electric Current
Temperature
Amount of substance
Derived Units
Supplementary Units
Radian- Plane angle
Steradian - Solid Angle
Errors
Systematic Errors
Instrumental error
Personal error
Imperfection
Random Error
Least Count Error
Error Measurent
Absolute error
Relative Error
Percentage Error
Combination of errors
Z=A∓B
ΔZ =ΔA+ΔB
Z= AB
ΔZ/Z = ΔA/B+ΔB/B
Z=A^2
ΔZ/Z=2 x ΔA/A
Measurement
Large Distances
Parallax Method
Important distances
1 fermi= 10^-15 m
1 Angstrom = 10^-10m
1 AU =1.496 x 10^11m
1 ly = 9.46 x 10^15m
1 parsec = 3.08 x 10^16m
Small distances
Oleic acid method
Dimensional Analysis
Checking the consistency of a Equation
Finding relation between Physical Quantities
Significant Figures
Fundamental Forces of Nature
Gravitational Force
Electromagnetic Force
Strong Nuclear Force
Binds protons and neutrons in nucleus
Weak Nuclear Force