PrepBrix
Chapter Library
50 chapters · 541 lessons across Physics, Chemistry and Biology. Every lesson source-validated against NCERT.
Physics
261 lessonsPhysics and Measurement
8 lessonsKinematics
16 lessonsAverage Speed Instantaneous Velocity
7 cards · 8 MCQs
Motion in a Plane
3 cards · 8 MCQs
Motion Straight Line
6 cards · 8 MCQs
Position Time Graph
2 cards · 8 MCQs
Projectile Motion
6 cards · 8 MCQs
Relations Uniform Acceleration
3 cards · 8 MCQs
Resolution of Vector
8 MCQs
Scalar and Vector Products
8 MCQs
Scalars and Vectors
8 MCQs
Speed and Velocity
4 cards · 8 MCQs
Uniform Circular Motion
2 cards · 8 MCQs
Uniform Non-Uniform Motion
1 cards · 8 MCQs
Uniformly Accelerated Motion
3 cards · 8 MCQs
Unit Vector
8 MCQs
Vector Addition Subtraction
2 cards · 8 MCQs
Velocity Time Graph
6 cards · 8 MCQs
Laws of Motion
16 lessonsCentripetal Force
5 cards · 8 MCQs
Conservation Linear Momentum
4 cards · 8 MCQs
Dynamics UCM
9 cards · 8 MCQs
Equilibrium Concurrent Forces
3 cards · 8 MCQs
Force and Inertia
2 cards · 8 MCQs
Impulse
5 cards · 8 MCQs
Kinetic Friction
6 cards · 8 MCQs
Laws of Friction
3 cards · 8 MCQs
Momentum
6 cards · 8 MCQs
Newton 1
8 MCQs
Newton 2
2 cards · 8 MCQs
Newton 3
3 cards · 8 MCQs
Rolling Friction
4 cards · 8 MCQs
Static Friction
2 cards · 8 MCQs
Vehicle Banked Road
4 cards · 8 MCQs
Vehicle Level Road
6 cards · 8 MCQs
Work, Energy and Power
14 lessonsConservation Mechanical Energy
3 cards · 8 MCQs
Conservative Nonconservative Forces
1 cards · 8 MCQs
Elastic Collision 1D
1 cards · 8 MCQs
Elastic Collision 2D
1 cards · 8 MCQs
Inelastic Collision 1D
1 cards · 8 MCQs
Inelastic Collision 2D
2 cards · 8 MCQs
Kinetic Energy
5 cards · 8 MCQs
Motion Vertical Circle
2 cards · 8 MCQs
Potential Energy Spring
2 cards · 8 MCQs
Potential Energy
1 cards · 8 MCQs
Power
1 cards · 8 MCQs
Work Constant Force
1 cards · 8 MCQs
Work Energy Theorem
2 cards · 8 MCQs
Work Variable Force
1 cards · 8 MCQs
System of Particles and Rotational Motion
11 lessonsAngular Momentum
6 cards · 8 MCQs
Centre of Mass Rigid Body
2 cards · 8 MCQs
Centre of Mass Two Particle
2 cards · 8 MCQs
Conservation Angular Momentum
2 cards · 8 MCQs
Linear vs Rotational Comparison
12 cards · 8 MCQs
Moment of Force
2 cards · 8 MCQs
Moment of Inertia
3 cards · 8 MCQs
Moment of Inertia Geometry
3 cards · 8 MCQs
Parallel Perpendicular Axes Theorems
3 cards · 8 MCQs
Rotational Equations of Motion
3 cards · 8 MCQs
Torque
4 cards · 8 MCQs
Gravitation
12 lessonsAcceleration Due to Gravity
4 cards · 8 MCQs
Escape Velocity
3 cards · 8 MCQs
g Variation Altitude
3 cards · 8 MCQs
g Variation Depth
2 cards · 8 MCQs
Gravitational Potential
4 cards · 8 MCQs
Gravitational Potential Energy
6 cards · 8 MCQs
Kepler's Laws
1 cards · 8 MCQs
Motion of Satellite
4 cards · 8 MCQs
Orbital Velocity
9 cards · 8 MCQs
Satellite Energy
10 cards · 8 MCQs
Satellite Time Period
5 cards · 8 MCQs
Universal Law Gravitation
3 cards · 8 MCQs
Properties of Solids and Liquids
20 lessonsAngle of Contact
3 cards · 8 MCQs
Bernoulli's Principle
2 cards · 8 MCQs
Bulk Modulus
10 cards · 8 MCQs
Capillary Rise
6 cards · 8 MCQs
Change of State Latent Heat
4 cards · 8 MCQs
Effect of Gravity on Pressure
4 cards · 8 MCQs
Elastic Behaviour
4 cards · 8 MCQs
Excess Pressure Curved Surface
6 cards · 8 MCQs
Fluid Pressure
4 cards · 8 MCQs
Heat Temperature Thermal Expansion
3 cards · 8 MCQs
Heat Transfer
4 cards · 8 MCQs
Modulus of Rigidity
4 cards · 8 MCQs
Pascal's Law
1 cards · 8 MCQs
Specific Heat Calorimetry
6 cards · 8 MCQs
Stokes' Law
2 cards · 8 MCQs
Stress Strain Hooke's
5 cards · 8 MCQs
Surface Energy Tension
2 cards · 8 MCQs
Terminal Velocity
4 cards · 8 MCQs
Viscosity
4 cards · 8 MCQs
Young's Modulus
4 cards · 8 MCQs
Thermodynamics
7 lessonsKinetic Theory
9 lessonsAvogadro Number
6 cards · 8 MCQs
Concept of Pressure Kinetic Theory
3 cards · 8 MCQs
Degrees of Freedom
2 cards · 8 MCQs
Equation of State Perfect Gas
3 cards · 8 MCQs
Equipartition Energy
3 cards · 8 MCQs
Kinetic Interpretation Temperature
4 cards · 8 MCQs
Kinetic Theory Assumptions
8 MCQs
Mean Free Path
2 cards · 8 MCQs
RMS Speed Gas
4 cards · 8 MCQs
Oscillations and Waves
16 lessonsBeats
1 cards · 8 MCQs
Energy in SHM
3 cards · 8 MCQs
Fundamental Mode Harmonics
4 cards · 8 MCQs
Longitudinal Transverse Waves
3 cards · 8 MCQs
Periodic Motion
5 cards · 8 MCQs
Progressive Wave Displacement
6 cards · 8 MCQs
Restoring Force Constant
5 cards · 8 MCQs
SHM Equation
5 cards · 8 MCQs
SHM Phase
1 cards · 8 MCQs
Simple Pendulum
5 cards · 8 MCQs
Speed Travelling Wave
8 cards · 8 MCQs
Spring Oscillations
6 cards · 8 MCQs
Standing Waves Strings Pipes
4 cards · 8 MCQs
Superposition Reflection Waves
3 cards · 8 MCQs
Time Period Frequency
3 cards · 8 MCQs
Wave Motion
3 cards · 8 MCQs
Electrostatics
20 lessonsCapacitors Capacitance
8 MCQs
Capacitors Series Parallel
1 cards · 8 MCQs
Coulomb's Law
1 cards · 8 MCQs
Electric Charges Conservation
8 MCQs
Electric Dipole
1 cards · 8 MCQs
Electric Field Lines
8 MCQs
Electric Field Point Charge
1 cards · 8 MCQs
Electric Flux
8 MCQs
Electric Potential
1 cards · 8 MCQs
Electrical Potential Energy Two Charges
8 MCQs
Energy in Capacitor
1 cards · 8 MCQs
Equipotential Surfaces
8 MCQs
Field Long Wire Gauss
1 cards · 8 MCQs
Field Plane Sheet Gauss
1 cards · 8 MCQs
Field Spherical Shell Gauss
1 cards · 8 MCQs
Gauss's Law
1 cards · 8 MCQs
Parallel Plate Capacitor
1 cards · 8 MCQs
Potential Difference
8 MCQs
Superposition Principle
8 MCQs
Torque Dipole
1 cards · 8 MCQs
Current Electricity
12 lessonsDrift Velocity Mobility
1 cards · 8 MCQs
Electric Current
1 cards · 8 MCQs
Electrical Energy Power
1 cards · 8 MCQs
Electrical Resistance
1 cards · 8 MCQs
Internal Resistance EMF
1 cards · 8 MCQs
Kirchhoff's Laws
8 MCQs
Metre Bridge
1 cards · 8 MCQs
Ohm's Law
1 cards · 8 MCQs
Resistivity Conductivity
1 cards · 8 MCQs
Resistors Series Parallel
1 cards · 8 MCQs
Temperature Dependence Resistance
8 MCQs
Wheatstone Bridge
1 cards · 8 MCQs
Magnetic Effects of Current and Magnetism
18 lessonsAmmeter Voltmeter Conversion
8 MCQs
Ampere's Law
3 cards · 8 MCQs
Ampere's Law Solenoid
1 cards · 8 MCQs
Ampere's Law Straight Wire
1 cards · 8 MCQs
Bar Magnet As Solenoid
4 cards · 8 MCQs
Biot Savart Circular Loop
1 cards · 8 MCQs
Biot Savart Law
1 cards · 8 MCQs
Current Loop Dipole Moment
1 cards · 8 MCQs
Definition of Ampere
2 cards · 8 MCQs
Force Between Parallel Currents
1 cards · 8 MCQs
Force on Current Conductor
2 cards · 8 MCQs
Lorentz Force on Charge
4 cards · 8 MCQs
Magnetic Field of Dipole
1 cards · 8 MCQs
Moving Coil Galvanometer
2 cards · 8 MCQs
Para Dia Ferromagnetic
8 MCQs
Temperature Effect Magnetic Properties
3 cards · 8 MCQs
Torque Current Loop
1 cards · 8 MCQs
Torque Magnetic Dipole
8 MCQs
Electromagnetic Induction and Alternating Currents
14 lessonsAlternating Currents
1 cards · 8 MCQs
Eddy Currents
8 MCQs
Faraday's Law
2 cards · 8 MCQs
Induced EMF Current
1 cards · 8 MCQs
LCR Series Circuit
1 cards · 8 MCQs
Lenz's Law
1 cards · 8 MCQs
Mutual Inductance
4 cards · 8 MCQs
Peak RMS AC
1 cards · 8 MCQs
Power in AC
1 cards · 8 MCQs
Reactance Impedance
3 cards · 8 MCQs
Resonance LCR
2 cards · 8 MCQs
Self Inductance
2 cards · 8 MCQs
Transformer
1 cards · 8 MCQs
Wattless Current
1 cards · 8 MCQs
Electromagnetic Waves
5 lessonsOptics
20 lessonsAstronomical Telescope
1 cards · 8 MCQs
Coherent Sources
8 MCQs
Diffraction Single Slit
8 MCQs
Fringe Width YDSE
1 cards · 8 MCQs
Interference YDSE
4 cards · 8 MCQs
Lens Makers Formula
1 cards · 8 MCQs
Lenses in Contact
1 cards · 8 MCQs
Magnification
1 cards · 8 MCQs
Magnifying Powers
1 cards · 8 MCQs
Microscope
1 cards · 8 MCQs
Mirror Formula
1 cards · 8 MCQs
Polarization Brewster
5 cards · 8 MCQs
Polaroid
2 cards · 8 MCQs
Power of Lens
1 cards · 8 MCQs
Reflection Light
1 cards · 8 MCQs
Refraction Light
1 cards · 8 MCQs
Refraction Prism
1 cards · 8 MCQs
Thin Lens Formula
1 cards · 8 MCQs
Total Internal Reflection
1 cards · 8 MCQs
Wavefront Huygens Principle
8 MCQs
Dual Nature of Matter and Radiation
5 lessonsAtoms and Nuclei
12 lessonsAlpha Scattering
8 MCQs
Atomic Masses
1 cards · 8 MCQs
Binding Energy Variation
1 cards · 8 MCQs
Bohr Model
2 cards · 8 MCQs
Energy Levels Bohr
1 cards · 8 MCQs
Hydrogen Spectrum
1 cards · 8 MCQs
Mass Defect Binding Energy
2 cards · 8 MCQs
Mass Energy Relation
1 cards · 8 MCQs
Nuclear Composition Size
1 cards · 8 MCQs
Nuclear Fission
2 cards · 8 MCQs
Nuclear Fusion
2 cards · 8 MCQs
Rutherford Model
8 MCQs
Electronic Devices
8 lessonsExperimental Skills
18 lessonsExperiment 01 Vernier Calipers
2 cards · 8 MCQs
Experiment 02 Screw Gauge
2 cards · 8 MCQs
Experiment 03 Simple Pendulum Damping
8 MCQs
Experiment 04 Metre Scale Moments
8 MCQs
Experiment 05 Young's Modulus
1 cards · 8 MCQs
Experiment 06 Surface Tension
1 cards · 8 MCQs
Experiment 07 Viscosity Terminal
8 MCQs
Experiment 08 Speed of Sound Resonance
8 MCQs
Experiment 09 Specific Heat Capacity
8 MCQs
Experiment 10 Resistivity Metre Bridge
8 MCQs
Experiment 11 Ohm's Law Resistance
8 MCQs
Experiment 12 Galvanometer Half Deflect
8 MCQs
Experiment 13 Focal Length Parallax
8 MCQs
Experiment 14 Prism Angle of Deviation
8 MCQs
Experiment 15 Refractive Index Glass Slab
8 MCQs
Experiment 16 p–n Diode Characteristics
8 MCQs
Experiment 17 Zener Diode Curves
8 MCQs
Experiment 18 Component Identification
8 MCQs
Chemistry
172 lessonsSome Basic Concepts of Chemistry
5 lessonsStructure of Atom
11 lessonsAufbau Pauli Hund
8 MCQs
Bohr Limitations
6 cards · 8 MCQs
Bohr Model Hydrogen
2 cards · 8 MCQs
Dual Nature de Broglie
3 cards · 8 MCQs
Electronic Configuration
8 MCQs
EM Radiation Photoelectric
8 MCQs
Half Filled Full Filled Stability
8 MCQs
Heisenberg Uncertainty
2 cards · 8 MCQs
Hydrogen Spectrum
5 cards · 8 MCQs
Orbital Shapes
8 MCQs
Quantum Numbers
8 MCQs
Chemical Bonding and Molecular Structure
11 lessonsBond Order Length Energy
4 cards · 8 MCQs
Dipole Moment
1 cards · 8 MCQs
Electronegativity Fajans'
2 cards · 8 MCQs
Hybridization
8 MCQs
Hydrogen Bonding
8 MCQs
Ionic Covalent Bonds
8 MCQs
Kossel Lewis
8 MCQs
MO Homonuclear Diatomics
5 cards · 8 MCQs
Molecular Orbital Theory
2 cards · 8 MCQs
Valence Bond Theory
1 cards · 8 MCQs
VSEPR Shapes
8 MCQs
Thermodynamics
7 lessonsSolutions
9 lessonsColligative Properties
7 cards · 8 MCQs
Concentration Units
6 cards · 8 MCQs
Depression Freezing Point
3 cards · 8 MCQs
Elevation Boiling Point
3 cards · 8 MCQs
Ideal Non-Ideal Solutions
1 cards · 8 MCQs
Osmotic Pressure
6 cards · 8 MCQs
Relative Lowering Vapour Pressure
4 cards · 8 MCQs
Van 't Hoff Factor
7 cards · 8 MCQs
Vapour Pressure Raoult
4 cards · 8 MCQs
Equilibrium
9 lessonsRedox Reactions and Electrochemistry
13 lessonsBalancing Redox
8 MCQs
Cell Potential Gibbs
6 cards · 8 MCQs
Dry Cell Lead Accumulator
8 MCQs
Electrochemical Cells
2 cards · 8 MCQs
Electrode Potential
2 cards · 8 MCQs
Electrolytic Metallic Conduction
3 cards · 8 MCQs
EMF Galvanic
2 cards · 8 MCQs
Fuel Cells
8 MCQs
Kohlrausch Law
4 cards · 8 MCQs
Molar Conductivity
4 cards · 8 MCQs
Nernst Equation
5 cards · 8 MCQs
Oxidation Number
8 MCQs
Oxidation Reduction Electronic
8 MCQs
Chemical Kinetics
7 lessonsClassification of Elements and Periodicity in Properties
7 lessonsp-Block Elements
3 lessonsThe d and f Block Elements
8 lessonsCoordination Compounds
8 lessonsPurification and Characterisation of Organic Compounds
8 lessonsOrganic Chemistry — Some Basic Principles
11 lessonsClassification Functional Groups
8 MCQs
Electromeric Effect
8 MCQs
Electrophiles Nucleophiles
8 MCQs
Free Radicals Carbocations
1 cards · 8 MCQs
Hybridization Organic
8 MCQs
Hyperconjugation
2 cards · 8 MCQs
Inductive Effect
8 MCQs
IUPAC Nomenclature Organic
8 MCQs
Resonance Organic
8 MCQs
Structural Stereoisomerism
8 MCQs
Tetravalency Carbon
8 MCQs
Hydrocarbons
11 lessonsAlkane Conformations
8 MCQs
Alkane Halogenation Mechanism
6 cards · 8 MCQs
Alkyne Acidic Character
8 MCQs
Benzene Aromaticity
8 MCQs
Directive Influence
8 MCQs
Electrophilic Addition
2 cards · 8 MCQs
Electrophilic Aromatic Substitution
8 MCQs
Friedel Crafts
8 MCQs
Hydrocarbon Classification
8 MCQs
Markovnikov Peroxide
9 cards · 8 MCQs
Ozonolysis
8 MCQs
Organic Compounds Containing Halogens
3 lessonsAlcohols, Phenols, Ethers and Carbonyl Compounds
13 lessonsAddition HCN NH₃ Grignard
8 MCQs
Alcohol Dehydration
8 MCQs
Alcohols Primary Secondary Tertiary
8 MCQs
Alpha Hydrogen Aldol
8 MCQs
Cannizzaro
8 MCQs
Carbonyl Nucleophilic Addition
8 MCQs
Carboxylic Acidic Strength
3 cards · 8 MCQs
Ethers Structure
8 MCQs
Haloform
8 MCQs
Oxidation Reduction Carbonyl
8 MCQs
Phenol Acidic Nature
3 cards · 8 MCQs
Phenol Electrophilic Substitution
8 MCQs
Reimer Tiemann
8 MCQs
Amines
6 lessonsBiomolecules
10 lessonsCarbohydrates Classification
1 cards · 8 MCQs
Disaccharides
2 cards · 8 MCQs
DNA RNA Structure
2 cards · 8 MCQs
Enzymes
1 cards · 8 MCQs
Monosaccharides
1 cards · 8 MCQs
Nucleic Acid Functions
1 cards · 8 MCQs
Protein Denaturation
1 cards · 8 MCQs
Protein Structure Levels
1 cards · 8 MCQs
Proteins Amino Acids
1 cards · 8 MCQs
Vitamins Classification
8 MCQs
Practical and Analytical Chemistry
12 lessonsAcetanilide Preparation
2 cards · 8 MCQs
Anion Qualitative Analysis
8 MCQs
Cation Qualitative Analysis
8 MCQs
Detection Extra Elements
8 MCQs
Detection Functional Groups
8 MCQs
Enthalpy Solution Neutralization
3 cards · 8 MCQs
Iodoform Preparation
8 MCQs
Kinetic Iodide H₂O₂
3 cards · 8 MCQs
Lyophilic Lyophobic Sols
8 MCQs
Mohr Salt Potash Alum
2 cards · 8 MCQs
Titrimetric Acid Base
6 cards · 8 MCQs
Titrimetric Redox
1 cards · 8 MCQs
Biology
108 lessonsDiversity in Living World
13 lessonsAnimal Kingdom Chordates
8 MCQs
Animal Kingdom Nonchordates
8 MCQs
Biodiversity Nomenclature
8 MCQs
Five Kingdom
8 MCQs
Fungi
8 MCQs
Monera
8 MCQs
Plant Kingdom
8 MCQs
Plant Kingdom Algae
8 MCQs
Plant Kingdom Bryophytes Pteridophytes
8 MCQs
Plant Kingdom Gymnosperms
8 MCQs
Protista
8 MCQs
Viruses Viroids Lichens
8 MCQs
What Is Living
8 MCQs
Structural Organisation in Animals and Plants
9 lessonsCell: Structure and Function
13 lessonsBiomolecules Carbohydrates Lipids
8 MCQs
Biomolecules Proteins Nucleic
8 MCQs
Cell Cycle Phases
8 MCQs
Cell Membrane Wall
8 MCQs
Cell Organelles Endomembrane
8 MCQs
Cell Organelles Mitochondria Plastid
8 MCQs
Cell Theory
8 MCQs
Enzymes
3 cards · 8 MCQs
Meiosis Phases
8 MCQs
Mitosis Phases
8 MCQs
Nucleus Chromosomes
8 MCQs
Prokaryotic vs Eukaryotic
8 MCQs
Ribosomes Cytoskeleton Cilia
8 MCQs
Plant Physiology
9 lessonsHuman Physiology
16 lessonsBreathing Gas Transport
8 MCQs
Breathing Mechanism Volumes
4 cards · 8 MCQs
Breathing Respiratory Organs
8 MCQs
Circulation Blood Groups Coagulation
8 MCQs
Circulation Blood Lymph
8 MCQs
Circulation BP Disorders
1 cards · 8 MCQs
Circulation Heart Cardiac Cycle
1 cards · 8 MCQs
Endocrine Adrenal Pancreas Gonads
8 MCQs
Endocrine Hypothalamus Pituitary Thyroid
8 MCQs
Excretion Kidney Nephron
8 MCQs
Excretion Regulation Disorders
8 MCQs
Excretion Urine Formation
8 MCQs
Locomotion Muscle Contraction
8 MCQs
Locomotion Skeleton Joints Disorders
8 MCQs
Neural Human Nervous System
8 MCQs
Neural Neuron Impulse Synapse
8 MCQs
Reproduction
11 lessonsAmniocentesis Art
8 MCQs
Apomixis Polyembryony
8 MCQs
Birth Control Methods
8 MCQs
Female Reproductive System
8 MCQs
Fertilization Pregnancy
8 MCQs
Flower Structure Gametogenesis
8 MCQs
Male Reproductive System
8 MCQs
Menstrual Cycle
8 MCQs
Pollination Fertilization
8 MCQs
Post Fertilization Seed Fruit
8 MCQs
Reproductive Health STDs
8 MCQs
Genetics and Evolution
18 lessonsDNA Replication
8 MCQs
DNA RNA Structure
8 MCQs
Evidences Evolution
8 MCQs
Gene Regulation Lac Operon
8 MCQs
Genetic Code
8 MCQs
Genetic Material DNA Packaging
8 MCQs
Hardy Weinberg Principle
5 cards · 8 MCQs
Hominid Evolution
8 MCQs
Human Genome Project
8 MCQs
Incomplete Dominance Codominance
2 cards · 8 MCQs
Linkage Recombination Mapping
1 cards · 8 MCQs
Mendel Inheritance
4 cards · 8 MCQs
Mendelian Disorders Pedigree
8 MCQs
Mutations Genetic Disorders
8 MCQs
Natural Selection Drift
8 MCQs
Origin Life Panspermia
8 MCQs
Sex Determination Linkage
8 MCQs
Transcription Translation
8 MCQs