ভৌত রাশি, মাত্রা ও পরিমাপ
International System of Units, dimensional homogeneity, dimensional analysis, least count, and error propagation.
Base physical quantities in SI, supplementary units, derived units, and practical measuring standards.
Dimensions of mechanical and thermal quantities, principle of homogeneity, unit conversions, and formula derivation.
Compact single-sheet master digest containing all mechanical and thermal dimensional formulae, dimensional verification checklist, and error propagation equations.
Full-length written examination paper strictly designed to mirror WBCHSE and CBSE board theory marking guidelines and pacing constraints.
Systematic, random, and gross errors, least count of instruments, absolute, relative, and percentage errors.
Rules for identifying significant figures, rounding conventions, and calculus-based propagation of errors in compound operations.