Which of the following set have different dimensions?
A. Pressure, Young’s modulus, stressB. e.m.f, potential difference, electric potentialC. Heat, work done, energyD. dipole moment, electric flux, electric field
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Final Answer : D
A : Pressure : F/A
Pressure, Stress and Young's Modulushave same dimension.
They all have diminsion :
ML^(-1) T^(-2)
B :EMF, Electric Potential and Potential Difference
They all have unit as V(Volt)
C : Heat, Work done, Energy :
They have same SI unit as Joules.
D : Here,
Dipole moment have SI unit : C M (Coulomb -metre)
Electric Flux : Component of Electric field along Area Vector :V-m (Volt -metre)
Volt and Coulomb are different Units.
Electric Field :V M^(-1) or V/m
All three above has different units
Hence, Option D elements have different Dimensions
A : Pressure : F/A
Pressure, Stress and Young's Modulushave same dimension.
They all have diminsion :
ML^(-1) T^(-2)
B :EMF, Electric Potential and Potential Difference
They all have unit as V(Volt)
C : Heat, Work done, Energy :
They have same SI unit as Joules.
D : Here,
Dipole moment have SI unit : C M (Coulomb -metre)
Electric Flux : Component of Electric field along Area Vector :V-m (Volt -metre)
Volt and Coulomb are different Units.
Electric Field :V M^(-1) or V/m
All three above has different units
Hence, Option D elements have different Dimensions
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