BITSAT 2024 Physics Topic-Wise Weightage & List of Important Topics

Units & Measurement

• Units (Different systems of units, SI units, fundamental and derived units)

• Dimensional Analysis

• Precision and significant figure

• Fundamental measurements in Physics (Vernier calipers, screw gauge, Physical balance, etc)

Newton’s Laws of Motion

• Newton’s laws (free body diagram, resolution of forces)

• Motion on an inclined plane

• Motion of blocks with pulley systems

• Circular motion – centripetal force

• Inertial and non-inertial frames

Work and Energy

• Work done by a force

• Kinetic energy and work-energy theorem

• Power

• Conservative forces and potential energy

• Conservation of mechanical energy

Gravitation

• Newton’s law of gravitation

• Gravitational potential energy, Escape velocity

• Motion of planets – Kepler’s laws, satellite motion

Optics

• Laws of reflection and refraction

• Lenses and mirrors

• Optical instruments – telescope and microscope

• Interference – Huygens principle, Young’s double-slit experiment

• Interference in thin films

• Diffraction due to a single slit

• Electromagnetic waves and their characteristics (only qualitative ideas), Electromagnetic spectrum

• Polarization – states of polarization, Malus’ law, Brewster’s law

Electrostatics

• Coulomb’s law

• Electric field (discrete and continuous charge distributions)

• Electrostatic potential and Electrostatic potential energy

• Gauss’ law and its applications

• Electric dipole

• Capacitance and dielectrics (parallel plate capacitor, capacitors in series and parallel)

Oscillations

• Kinematics of simple harmonic motion

• Spring mass system, simple and compound pendulum

• Forced & damped oscillations, resonance

Current Electricity

• Ohm’s law, Joule heating

• D.C circuits – Resistors and cells in series and parallel, Kirchoff’s laws, potentiometer and XII Wheatstone bridge

• Electrical Resistance (Resistivity, origin and temperature dependence of resistivity)

Modern Physics

• Dual nature of light and matter – Photoelectric effect, De Broglie wavelength

• Atomic models – Rutherford’s experiment, Bohr’s atomic model

• Hydrogen atom spectrum

• Radioactivity

• Nuclear reactions: Fission and fusion, binding energy

Heats & Thermodynamics

• Kinetic theory of gases

• Thermal equilibrium and temperature

• Specific heat, Heat Transfer - Conduction, convection and radiation, thermal conductivity, Newton’s law of cooling Work, heat and first law of thermodynamics

• Second law of thermodynamics, Carnot engine – Efficiency and Coefficient of performance

Magnetic Effect Of Current

• Biot-Savart’s law and its applications

• Ampere’s law and its applications

• Lorentz force, force on current-carrying conductors in a magnetic field

• Magnetic moment of a current loop, torque on a current loop, Galvanometer and its conversion to voltmeter and ammeter

Mechanics of solids and fluids

• Elasticity

• Pressure, density and Archimedes’ principle

• Viscosity and Surface Tension

• Bernoulli’s theorem

Waves

• Progressive sinusoidal waves

• Standing waves in strings and pipes

• Superposition of waves, beats

• Doppler Effect

Kinematics

• Properties of vectors

• Position, velocity, and acceleration vectors

• Motion with constant acceleration

• Projectile motion

• Uniform circular motion

• Relative motion

Impulse and Momentum

• Definition of impulse and momentum

• Conservation of momentum

• Collisions

• Momentum of a system of particles

• Center of mass

Rotational Motion

• Description of rotation (angular displacement, angular velocity and angular acceleration)

• Rotational motion with constant angular acceleration

• Moment of inertia, Parallel and perpendicular axes theorems, rotational kinetic energy

• Torque and angular momentum

• Conservation of angular momentum

• Rolling motion

Electromagnetic Induction

• Faraday’s law, Lenz’s law, eddy currents

• Self and mutual inductance

• Transformers and generators

• Alternating current (peak and rms value)

• AC circuits, LCR circuits

Electronic Devices

• Energy bands in solids (qualitative ideas only), conductors, insulators and semiconductors

• Semiconductor diode – I-V characteristics in forward and reverse bias, diode as a rectifier; IV characteristics of LED, photodiode, solar cell, and Zener diode; Zener diode as a voltage regulator

• Junction transistor, transistor action, characteristics of a transistor; transistor as an amplifier (common emitter configuration) and oscillator

• Logic gates (OR, AND, NOT, NAND, and NOR). Transistor as a switch

40

120

+3

-1

Expected number of easy questions

9-10

Expected number of moderate questions

14-16 questions