Target RRB JE CBT 1-Important Units And Theirs Dimension

by

Target RRB JE CBT 1-Important

Target RRB JE CBT 1-Important Units And Theirs Dimension

According to analysis of RRB exam recently held for various post,1-2 question in every shift asked from units and dimensions in general science so here in today target RRB JE CBT 1 we are providing important units and dimensions, Expected from these one question surely will come.

Target RRB JE CBT 1-Important

Target RRB JE CBT 1-Important

PDF for this have given at last aspirant can download it.

All physical quantities are said to be described by its dimensions.

There are 7 (seven) fundamental quantities, hence, 7 (seven) fundamental dimensions.

Target RRB JE CBT 1-Important

Derived quantity Symbol SI derived unit Dimension Scalar/Vector
Absement A m s L T vector
Absorbed dose rate Gy s⁻¹ L² T⁻³
Acceleration a→ m s⁻² L T⁻² vector
Angular acceleration α rad s⁻² T⁻²
Angular momentum L kg m² s⁻¹ M L² T⁻¹ vector
Angular speed (or angular velocity) ω rad s⁻¹ T⁻¹ scalar
Area A m² L² scalar
Area density ρA kg m⁻² M L⁻²
Capacitance C farad (F = A² s⁴ kg⁻¹ m⁻²) M⁻¹ L⁻² T⁴ I² scalar
Catalytic activity katal (kat = mol s⁻¹) T⁻¹ N
Catalytic activity concentration kat m⁻³ L⁻³ T⁻¹ N
Chemical potential μ J mol⁻¹ M L² T⁻² N⁻¹
Crackle c→ m s⁻⁵ L T⁻⁵ vector
Current density J → A m⁻² L⁻² I vector
Dose equivalent H sievert (Sv = m² s⁻²) L² T⁻²
Dynamic viscosity η Pa s M L⁻¹ T⁻¹
Target RRB JE CBT 1-Important
Electric charge Q coulomb (C = A s) T I
Electric charge density ρQ C m⁻³ L⁻³ T I
Electric displacement D C m⁻² L⁻² T I vector
Electric field strength E→ V m⁻¹ M L T⁻³ I⁻¹ vector
Electrical conductance G siemens (S = A² s³ kg⁻¹ m⁻²) M⁻¹ L⁻² T⁻³ I² scalar
Electrical conductivity σ S m⁻¹ M⁻¹ L⁻³ T⁻³ I² scalar
Electric potential V volt (V = kg m² A⁻¹ s⁻³) M L² T⁻³ I⁻¹ scalar
Electrical resistance R ohm (Ω = kg m² A⁻² s⁻³) M L² T⁻³ I⁻² scalar
Electrical resistivity ρ ohm metre (Ω⋅m = kg m³ A⁻² s⁻³) M L³ T⁻³ I⁻² scalar
Energy E joule (J = kg m² s⁻²) M L² T⁻² scalar
Energy density ρE J m⁻³ M L⁻¹ T⁻²
Entropy S J K⁻¹ M L² T⁻² Θ⁻¹ scalar
Force F→ newton (N = kg m s⁻²) M L T⁻² vector
Frequency f hertz (Hz = s⁻¹) T⁻¹ scalar
Fuel efficiency m m⁻³ ( = m/m³) L⁻² scalar
Half-life t1/2 s T
Heat Q joule (J) M L² T⁻²
Heat capacity Cp J K⁻¹ M L² T⁻² Θ⁻¹
Heat flux density ϕQ W m⁻² M T⁻³
Illuminance Ev lux (lx = cd sr m⁻²) L⁻² J
Target RRB JE CBT 1-Important
Impedance Z ohm (Ω = kg m² A⁻² s⁻³) M L² T⁻³ I⁻² scalar
Impulse J newton second (N⋅s = kg m s⁻¹) M L T⁻¹ vector
Inductance L henry (H = kg m² A⁻² s⁻²) M L² T⁻² I⁻² scalar
Irradiance E W m⁻² M T⁻³
Intensity I W m⁻² M T⁻³
Jerk j→ m s⁻³ L T⁻³ vector
Jounce (or snap) s→ m s⁻⁴ L T⁻⁴ vector
Kinematic viscosity v→ m²  s⁻¹ L² T⁻¹ scalar
Linear density ρl kg m⁻¹ M L⁻¹
Luminous flux (or luminous power) F lumen (lm = cd sr) J
Target RRB JE CBT 1-Important
Mach number (or mach) M unitless 1
Magnetic field strength H A m⁻¹ L⁻¹ I vector
Magnetic flux Φ weber (Wb = kg m² A⁻¹ s⁻²) M L² T⁻² I⁻¹ scalar
Magnetic flux density B tesla (T = kg A⁻¹ s⁻²) M T⁻² I−1
Magnetization M A m⁻¹ L⁻¹ I vector
Mass fraction x kg/kg 1
(Mass) Density (or volume density) ρ kg m⁻³ M L⁻³
Mean lifetime τ s T
Molar concentration C mol m⁻³ L⁻³ N
Molar energy J mol⁻¹ M L² T⁻² N⁻¹
Molar entropy J K⁻¹ mol⁻¹ M L² T⁻²Θ⁻¹ N⁻¹
Molar heat capacity c J K⁻¹ mol⁻¹ M L² T⁻² Θ⁻¹ N⁻¹
Target RRB JE CBT 1-Important
Moment of inertia I kg m² M L² scalar
Momentum p→ N s M L T⁻¹ vector
Permeability μ H m⁻¹ M L T⁻² I⁻²
Permittivity ε F m⁻¹ M⁻¹ L⁻³ T⁴ I²
Plane angle θ radian (rad) 1
Power P watt (W) M L² T⁻³ scalar
Pressure p pascal (Pa = kg m⁻¹ s⁻²) M L⁻¹ T⁻² scalar
Pop p→ m s⁻⁶ L T⁻⁶ vector
(Radioactive) Activity A becquerel (Bq = s⁻¹) T⁻¹ scalar
(Radioactive) Dose D gray (Gy = m² s⁻²) L² T⁻²
Radiance L W m⁻² sr⁻¹ M T⁻³
Radiant intensity I W sr⁻¹ M L² T⁻³ scalar
Reaction rate r mol m⁻³ s⁻¹ N L⁻³T⁻¹ scalar
Refractive index n unitless 1 scalar
Reluctance R H⁻¹ M⁻¹ L⁻² T² I² scalar
Solid angle Ω steradian (sr) 1
Speed v m s⁻¹ L T⁻¹ scalar
Specific energy J kg⁻¹ L² T⁻²
Specific heat capacity c J kg⁻¹ K⁻¹ L² T⁻² Θ⁻¹
Specific volume v m⁻³ kg⁻¹ M⁻¹ L⁻³
Spin S kg m² s⁻¹ M L² T⁻¹
Strain ε unitless 1
Stress σ Pa M L⁻¹ T⁻²
Surface tension γ N m⁻¹ or J m⁻² M T⁻²
Temperature gradient ∇ T  K m⁻¹ Θ L⁻¹ vector
Thermal conductivity k W m⁻¹ K⁻¹ M L T⁻³ Θ⁻¹
Target RRB JE CBT 1-Important
Torque τ newton metre (N m) M L² T⁻² vector
Velocity v→ m s⁻¹ L T⁻¹ vector
Volume V m³ L³ scalar
Volumetric flow Q m³ s⁻¹ L³ T⁻¹ scalar
Wavelength λ m L
Wave number k m⁻¹ L⁻¹ scalar
Wave vector k→ m⁻¹ with direction L⁻¹ vector
Weight w newton (N = kg m s⁻²) M L T⁻² vector
Work W joule (J = kg m² s⁻²) M L² T⁻² scalar
Young’s modulus E pascal (Pa = kg m⁻¹ s⁻²) M L⁻¹ T⁻² scalar
Base quantity Symbol SI base unit Dimension Scalar/Vector
Length l metre (m) L
Target RRB JE CBT 1-Important
Mass m kilogram (kg) M scalar
Time t second (s) T scalar
Electric current I ampere (A) I
Temperature T kelvin (K) Θ scalar
Amount of substance n mole (mol) N  scalar
Luminous intensity L candela (cd) J scalar

Target RRB JE CBT 1-Important

Click Here To Download In PDF

Target RRB JE CBT First 5 Month Daily Online Test Series

Related Posts

Leave a Comment