jee_main_2025_03_april_evening - Units and Measurements Topics

Master these core formulas and structures to solve almost any past paper question.

Sample Questions in this Chapter

QUESTION #0 Dimensional Analysis and Constants
Match the LIST-I with LIST-II
LIST-ILIST-II
A. Boltzmann constantI. ML²T⁻¹
B. Coefficient of viscosityII. MLT⁻³K⁻¹
C. Planck's constantIII. ML²T⁻²K⁻¹
D. Thermal conductivityIV. ML⁻¹T⁻¹
Choose the correct answer from the options given below :
Start Practice →
QUESTION #25 Error Analysis
A physical quantity C is related to four other quantities p, q, r and s as follows C = pq²r³√(s) The percentage errors in the measurement of p, q, r and s are 1% , 2% , 3% and 2% respectively. The percentage error in the measurement of C will be ________ \%.
Start Practice →
Rankbit System
JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

Select Your Target Exam

Choose an exam track below to find formulas per chapter and patterns.

Syncing Exam Intelligence

Mapping formulas and patterns across all tracks…

PATH A — FULL LENGTH PRACTICE

Full Mock Test Hub

Simulate real NTA exam conditions with fully tracked mocks. Time yourself against past papers.

Now Live Open
PATH B — TARGETED PRACTICE

Topic-wise Practice Hub

Practice past-year questions one chapter at a time. Pick an exam → subject → chapter and get every PYQ for that topic — pulled together from all past papers — with the chapter's key formulas alongside.

Loading Questions... Browse Topics
Latest from the Blog
View all →

Loading articles...