15 JEE Main 2026 Units and Dimensions previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2026 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.
L, C and R represents physical quantities inductance, capacitance and resistance respectively. The dimensional formula…
Match List - I with List - II. List - I List - II A. Boltzmann constant I. [M⁻¹L³T⁻²] B. Stefan's constant II. [ML²T⁻¹]…
The potential energy of a particle changes with distance x from a fixed origin as V = A√(x)x + B, where A and B are con…
Match the LIST-I with LIST-II array||c|l||c||l|| & List-I & & List-II \ A. & Spring constant & I. & M L² T⁻² K⁻¹ \ B. &…
Match List - I with List - II. arrayllll & List - I & & List - II \ A. & Coefficient of viscosity & I. & [M L⁻¹ T⁻¹] \…
Match the LIST-I with LIST-II array||c|l||c|l|| & List-I & & List-II \ A. & Magnetic induction & I. & M L T⁻² A⁻² \ B.…
Dimensions of universal gravitational constant (G) in terms of Planck's constant (h), distance (L), mass (M) and time (…
The percentage error in the calculated volume of a sphere, if there is 2\% error in its diameter measurement, is ______…
If ε, E and t represent the free space permittivity, electric field and time respectively, then the unit of (ε E)/(t) w…
Match List-I with List-II. List-I List-II A. Meter (L) I. √((hc)/(G)) B. Second (S) II. √((Gh)/(c⁵)) C. Kilogram (M) II…
Log in to unlock the full list, track what you've solved, and practice on the TCS iON-style CBT player. It's free.