Core Mathematical Concepts for NEET Physics
Concept | Key Subtopics | Physics Applications | Example NEET-Style Problem | Importance |
---|---|---|---|---|
Algebra | Quadratic equations (roots via formula, discriminant); inequalities (linear/quadratic); logarithms (properties, solving equations); binomial expansion (for approximations). | Solving for time/range in projectile motion; error propagation; logarithmic scales in graphs. | Find time of flight for a projectile: solve or quadratic . |
Medium (10-15% of Physics) |
Trigonometry | Basic ratios (sin, cos, tan); identities (Pythagorean, sum/difference); inverse functions; heights/distances (sine/cosine rule). | Resolving vectors (components); angles in optics (refraction); waves (phase difference). | Resolve force F at angle θ: , . |
High (15-20%) – Frequent in Mechanics & Optics |
Coordinate Geometry | Distance/section formulas; straight lines (slope, equation); circles (general equation). | Position-time graphs; electric field mapping; 2D motion trajectories. | Find distance between two points in a velocity graph for displacement. | Medium (10%) – Key for Kinematics |
Calculus (Differential) | Limits (basic evaluation); differentiation (first/second order, chain/product/quotient rules); implicit differentiation; maxima/minima (first derivative test). | Instantaneous velocity ( ); acceleration; SHM ( ); error analysis. |
Differentiate to get . |
High (20%) – Essential for Dynamics & Thermodynamics |
Calculus (Integral) | Indefinite/definite integrals; integration by substitution/parts; area under curves. | Work done ( ); velocity from acceleration; charge from current. |
Integrate power over time for energy. |
High (15-20%) – Used in Work-Energy & Electrostatics |
Vectors | Addition/subtraction (parallelogram/triangle law); scalar/dot product (work); vector/cross product (torque); unit vectors. | Force/momentum resolution; relative velocity; magnetic force ( . |
Dot product for angle between forces: . |
High (15-20%) – Core for Mechanics & Magnetism |
3D Geometry | Direction cosines/ratios; lines/planes (parametric equations, angle between); shortest distance. | Torque in 3D ( ); orbital paths in gravitation. |
Angle between two vectors in space for dipole moment. | Low-Medium (5-10%) – Advanced Mechanics |
Statistics & Probability | Mean/median/mode; standard deviation; basic probability (events, conditional). | Error in measurements (absolute/relative); uncertainty in experiments. | Calculate percentage error in g from pendulum: . |
Low (5%) – |