J.
Units And Measure ments
Physical uantity[uhch con be meosuned? Unit
Deuivedunit
Fundamentaf P& Deuived P& Fundome ntel uoita)
Fundamental Guartity S.Tunit ength MassTinc
Hass (m) kilogrom(kg ) Dimentions 1 CGs Gram second
meteu (m) pArea : [] k logrom Seiond
Zength (P) 2 HRS Heto
Tme G) Seoncl (s) Volume= (L] 3- FPS Foot Pound Suond
Current (r) mpeelASperd : (LT)
DVelocity [LT"]
|Temhosatwu(r)| Relvin (u) OAceleration:LTJ System of Units
Amaurnt e subson Mole (me) DForce =HLT"] S.Tunit ’ System Intenatond
Zuminos Trtensity Kondela be) Pressu :MT Mass : Kg
oDensity: [PL Zength
temp Kelvinh)
a Current [A]
P.g-numeical valua time Secondl
+ unit
Dimentiornless OArguan velocity :[r-]
DAnqulau acceleraton: 7 Useof dimention fnalysis
Cheking con sis toncy
nitls Olrauitati onal ’ lenve tion et unit
Unit konstant
Deivation d Helationshp
ORefrodive rdex o planck Constant-M'T
DRnqulan
displacement Rektive Densty oe. b/w given physical Quotity
Unit: Radian Olongitudnal strain viscosity (H True value - Neasuredvalue
Volumetrie strain ERROR
6) Sin®, on -
Systematic Random cause) Gross.
(know the cause) Cunknoun (observen (arelessness)
Snstrumental an be minimised
HEnvironmental Aletnes e
ombination Eror PExþeuimental by larqe
& takingobsenvations
averaqe obseuer
Peysonal beqired
Error in Addition 1 True value (Hean value), am a, +afa, t Qy ta
A+8= s-..an
(Aoa) +8+o8): ( b) 2- Absolute Error, da, amean - ,
|Au: (AA +AB) Trutvalu - Meauredvaluy
Error in Subtrachion 3. Hean Absolute trror,
Aamtan |aa.]+ \0a, l+|a,lt
A-B
4. Fractional Error
OR
Relativ eEror ) : Damean Mean Absohit Error
[2: A-B Ax: AA +48
Error in Multiplication - amean True valu
s. Pexcentage Error, Aa mean, X
100
amean
6 Error in Powu
B + Relative Ereor = 4A
(9tror in division - A
A B A b 2
#Poceatage Eror AA X100
B
Units And Measure ments
Physical uantity[uhch con be meosuned? Unit
Deuivedunit
Fundamentaf P& Deuived P& Fundome ntel uoita)
Fundamental Guartity S.Tunit ength MassTinc
Hass (m) kilogrom(kg ) Dimentions 1 CGs Gram second
meteu (m) pArea : [] k logrom Seiond
Zength (P) 2 HRS Heto
Tme G) Seoncl (s) Volume= (L] 3- FPS Foot Pound Suond
Current (r) mpeelASperd : (LT)
DVelocity [LT"]
|Temhosatwu(r)| Relvin (u) OAceleration:LTJ System of Units
Amaurnt e subson Mole (me) DForce =HLT"] S.Tunit ’ System Intenatond
Zuminos Trtensity Kondela be) Pressu :MT Mass : Kg
oDensity: [PL Zength
temp Kelvinh)
a Current [A]
P.g-numeical valua time Secondl
+ unit
Dimentiornless OArguan velocity :[r-]
DAnqulau acceleraton: 7 Useof dimention fnalysis
Cheking con sis toncy
nitls Olrauitati onal ’ lenve tion et unit
Unit konstant
Deivation d Helationshp
ORefrodive rdex o planck Constant-M'T
DRnqulan
displacement Rektive Densty oe. b/w given physical Quotity
Unit: Radian Olongitudnal strain viscosity (H True value - Neasuredvalue
Volumetrie strain ERROR
6) Sin®, on -
Systematic Random cause) Gross.
(know the cause) Cunknoun (observen (arelessness)
Snstrumental an be minimised
HEnvironmental Aletnes e
ombination Eror PExþeuimental by larqe
& takingobsenvations
averaqe obseuer
Peysonal beqired
Error in Addition 1 True value (Hean value), am a, +afa, t Qy ta
A+8= s-..an
(Aoa) +8+o8): ( b) 2- Absolute Error, da, amean - ,
|Au: (AA +AB) Trutvalu - Meauredvaluy
Error in Subtrachion 3. Hean Absolute trror,
Aamtan |aa.]+ \0a, l+|a,lt
A-B
4. Fractional Error
OR
Relativ eEror ) : Damean Mean Absohit Error
[2: A-B Ax: AA +48
Error in Multiplication - amean True valu
s. Pexcentage Error, Aa mean, X
100
amean
6 Error in Powu
B + Relative Ereor = 4A
(9tror in division - A
A B A b 2
#Poceatage Eror AA X100
B
