t
ALL have a magnitude and a Unit a
#
S
j
& /2
iron
↑
⑪
SCALAR
that
:
has
VECTOR :
& quantity a quantity that has
and direction
:
magnitude only both magnitude
~
Base units
draf
Quantity Units Symb
SCCICIT UnitS Vector 4 nitS
· UNCERTAINITY :
MaSS - kilogram k9 km1
MISS k9 Displacement North
The range of value within which ↑
Length met + C M 17 /S
Distance M Velocity South
second S
a measurement is likely to lie ⑭
Time -
Time S Force N
Temperature - Kelvin K COMBINING
SYSTEMATIC ERROR UNCERTAINITIES
Electric current ampere A (Leto Error COMBINING VECTOR :
A = BIC 2
Phytogoras
* mount of substance mole Mol Due to : instrumental error 1 using diagram
uncertainity : theorm
Luminous intensity Candela Cd Readings :↑ or ↓ of the <
triangle or
parallelogram
DA = AB + AC C2 = a2 + b2
true value Step : 1 Scale N : Cm
PREFIX : &
To avoid : improve measurement 2 Draw
PREFIX SYMB 103 PREFIX SYMB 10
technique
A =
B) or A =
3 3. convert Ch N
only apply for 90
%
Kilg K 103 Deci d 10-1
Affect :
accuracy uncertainity :
106 centi 10-2 PERPENDICULAR
Mega M C + Fractional uncertainity
COMPONENTS
3
109 milli ACCURACY :
-
Giga G m 10 or percentage uncertainity Y
M
Tera T 1012 Micro M 10-6 closeness of a measurement
:B
F
G
to the true value
70
Derived Units : 2 X actual C
C
value
Combination of the base units by RANDOM ERROR
(Parallex Error)
multiplying or dividing
Due to : uncontrollable factors
A =
yBx(z Fy = Fsin - SOH
05
1 y
- [AH
s = = ms FCos-
=
uncertainity F =
Readings : Scattered around
:
TOA
true values + Fractional uncertainity
TWO PERPENDICULAR
Homogeneous :
To avoid : 1) repeat experiment or percentage uncertainity
Physical equations must be
Ti
2) calculat the average
x() z()
T2
#
os
=
+
homogeneous (balanced) . NY
T
" *
Affect : precision
10 a
v =
EX PRECISION :
# % =
() z()x100 +
N
ms
-1
=
=xm =
4 How close a set of measured 2 X actual value
Fy = Fsin - SOH
05 [AH
Values to each other
= F FCos-
ms-1 y B uncertainity
=
: MS- = - = no TOA
Or by drawing diagram
,
ALL have a magnitude and a Unit a
#
S
j
& /2
iron
↑
⑪
SCALAR
that
:
has
VECTOR :
& quantity a quantity that has
and direction
:
magnitude only both magnitude
~
Base units
draf
Quantity Units Symb
SCCICIT UnitS Vector 4 nitS
· UNCERTAINITY :
MaSS - kilogram k9 km1
MISS k9 Displacement North
The range of value within which ↑
Length met + C M 17 /S
Distance M Velocity South
second S
a measurement is likely to lie ⑭
Time -
Time S Force N
Temperature - Kelvin K COMBINING
SYSTEMATIC ERROR UNCERTAINITIES
Electric current ampere A (Leto Error COMBINING VECTOR :
A = BIC 2
Phytogoras
* mount of substance mole Mol Due to : instrumental error 1 using diagram
uncertainity : theorm
Luminous intensity Candela Cd Readings :↑ or ↓ of the <
triangle or
parallelogram
DA = AB + AC C2 = a2 + b2
true value Step : 1 Scale N : Cm
PREFIX : &
To avoid : improve measurement 2 Draw
PREFIX SYMB 103 PREFIX SYMB 10
technique
A =
B) or A =
3 3. convert Ch N
only apply for 90
%
Kilg K 103 Deci d 10-1
Affect :
accuracy uncertainity :
106 centi 10-2 PERPENDICULAR
Mega M C + Fractional uncertainity
COMPONENTS
3
109 milli ACCURACY :
-
Giga G m 10 or percentage uncertainity Y
M
Tera T 1012 Micro M 10-6 closeness of a measurement
:B
F
G
to the true value
70
Derived Units : 2 X actual C
C
value
Combination of the base units by RANDOM ERROR
(Parallex Error)
multiplying or dividing
Due to : uncontrollable factors
A =
yBx(z Fy = Fsin - SOH
05
1 y
- [AH
s = = ms FCos-
=
uncertainity F =
Readings : Scattered around
:
TOA
true values + Fractional uncertainity
TWO PERPENDICULAR
Homogeneous :
To avoid : 1) repeat experiment or percentage uncertainity
Physical equations must be
Ti
2) calculat the average
x() z()
T2
#
os
=
+
homogeneous (balanced) . NY
T
" *
Affect : precision
10 a
v =
EX PRECISION :
# % =
() z()x100 +
N
ms
-1
=
=xm =
4 How close a set of measured 2 X actual value
Fy = Fsin - SOH
05 [AH
Values to each other
= F FCos-
ms-1 y B uncertainity
=
: MS- = - = no TOA
Or by drawing diagram
,
