Units and Measurements
Previous year questions with solutions · 2024 – 2026
96 Questions
55 Papers covered
6.11% Weightage 2026 ▼ 6.5% vs last year
Year-wise statistics questions · papers · average per paper · weightage Year Questions Papers Avg / paper Weightage 2026 29 19 1.5 6.11% ▼ 6.5% vs last year 2025 31 19 1.6 6.53% ▲ 8.8% vs last year 2024 36 20 1.8 6.00%
All 96 MCQ 76 Matching 14 Numerical 6
Topic All topics Combination of Errors Dimensional Analysis and Its Applications Dimensions of Physical Quantities Errors in Measurement (Absolute, Relative, Percentage) Least Count, Vernier Callipers and Screw Gauge SI Units, Fundamental and Derived Units Significant Figures and Rounding Off Year All years 2026 2025 2024
Ques. 31 JEE Main 2024, 1 February (Morning Shift)
The dimensional formula of angular impulse is :
[ ML2T-2] [ ML-2T-1] [ ML2T-1] [ MLT-1]
Ques. 32 JEE Main 2024, 30 January (Morning Shift)
Match List I with List II. Choose the correct answer from the options given below :
(A)-(II), (B)-(I), (C)-(IV), (D)-(III) (A)-(I), (B)-(II), (C)-(III), (D)-(IV) (A)-(IV), (B)-(III), (C)-(II), (D)-(I) (A)-(III), (B)-(IV), (C)-(II), (D)-(I)
Ques. 33 JEE Main 2024, 27 January (Morning Shift)
Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :
Statement I is true but Statement II is false Both Statement I and Statement II are false Both Statement I and Statement II are true Statement I is false but Statement II is true
Ques. 34 JEE Main 2024, 27 January (Evening Shift)
The equation of state of a real gas is given by (P+ aV2 )(V-b)=RT, where P, V and T are pressure, volume and temperature respectively and R is the universal gas constant. The dimensions of ab2 is similar to that of :
P RT PV R