BITSAT Self Study

Dimensional analysis is the fastest BITSAT tool — use it to eliminate options

Practise graph-reading (v–t area = displacement) since BITSAT loves graph questions

Draw an FBD before any equation; mark only real forces

Conserve momentum in every collision; energy only when elastic

Work-energy theorem beats force equations in variable-force problems

Memorise moments of inertia of standard bodies and use the parallel-axis theorem

Orbital, escape and binding energy relations are direct one-liners

Stress–strain graph terms and Young's modulus definitions

SHM energy split, time period of spring and pendulum systems

Work done in each process on a PV diagram

Degrees of freedom decide Cv, Cp and γ

Superpose fields as vectors; use symmetry and Gauss's law

Kirchhoff loops, Wheatstone bridge balance and potentiometer basics

Biot–Savart and Ampere results for wire, loop, solenoid and toroid

Lenz's law sign, motional emf Bvl and self/mutual inductance

Impedance triangle, resonance frequency and power factor

Order of the spectrum and the c = 1/√(μ₀ε₀) relation

Sign convention for mirrors and lenses; combination of lenses

Photoelectric threshold, stopping potential and de Broglie wavelength

Diode as rectifier, Zener as regulator, transistor configurations

Gas laws, ideal gas equation and van der Waals correction terms

Quantum numbers, orbital shapes and Aufbau/Hund rules

VSEPR shapes, hybridisation and dipole moments

Sign convention for q and w; ΔH from bond enthalpies

Kp–Kc relation, Le Chatelier shifts

Nernst equation and electrode-potential sign rules

Order vs molecularity, half-life for first order

Raoult's law and deviations

Trends down group 1 and 2, diagonal relationship of Li–Mg

Group-wise anomalies: inert pair effect and back bonding

Variable oxidation states, colour, magnetic behaviour

IUPAC naming, isomerism and CFT splitting

Inductive, resonance and hyperconjugation effects decide stability

Markovnikov, anti-Markovnikov and free-radical substitution

Named reactions: Aldol, Cannizzaro, Clemmensen, HVZ

Basicity of amines, diazotisation and coupling

Distinguishing tests: Tollens, Fehling, Lucas, iodoform

Photochemical smog, ozone depletion and greenhouse gases

Domain-range of standard functions and composition rules

Modulus-argument form, rotation and locus problems

Discriminant, root location and common-root conditions

AP, GP, AGP and special summation formulas

Grouping, circular and restricted arrangements

Property-based determinant simplification before expansion

Transformation formulas and general solutions

Family of lines, angle bisectors and distance formulas

Standard equations, eccentricity and parametric forms

Direction cosines, line and plane forms

Dot and cross products, projections, scalar triple product

Standard limits and L'Hospital use

Tangent-normal, monotonicity and maxima-minima

Substitution, by parts, partial fractions and standard forms

Variable separable, homogeneous and linear form

Conditional probability, Bayes theorem and binomial distribution

Feasible region and corner-point method

Subject-verb agreement, tenses, articles and prepositions

Synonyms, antonyms, one-word substitutions and idioms

Read the questions first, then scan for keywords

Sentence improvement and paragraph ordering

Analogy, classification, series and logical deduction

Figure completion, pattern perception, mirror and water images

Number, letter and figure series

Syllogism with Venn diagrams