9 JEE Main 2019 Units and Dimensions previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 previous-year questions from the Units and Dimensions chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Units and Dimensions chapter hub.
If speed (V), acceleration (A) and force (F) are considered as fundamental units, the dimension of Young's modulus will…
The density of a material in S I units is 128   k g   m - 3 . In certain units in which the unit of length is…
In   S I units, the dimensions of ϵ 0 μ 0 is:
Expression for time in terms of G (universal gravitational constant), h (Planck constant) and c (speed of light) is pro…
The force of interaction between two atoms is given by F=α β (-x²α k T ) ; where x is the distance, k is the Boltzmann…
Which of the following combinations has the dimension of electrical resistance ( ϵ 0 is the permittivity of vacuu…
Let L ,   R ,   C and V represent inductance, resistance, capacitance and voltage, respectively. The dimensio…
In the formula   X = 5 Y Z 2 , X and Z have dimensions of capacitance and magnetic field, respectively. What are t…
If Surface tension   ( S ) , Moment of Inertia ( I ) and Planck's constant ( h ) , were to be taken as the fundame…