Advanced Senior Secondary
Electricity, Electrochemistry, Optics & Biotechnology
96.6%
NCERT coverage
46
Direct matches
39
Semi matches
18
Sensors used
37
Chapters
Sensors used in Class 12
Electric Charges and Fields
Coulomb's law, electric charge, conservation/quantisation, electric field, field lines, Gauss's law, electric dipole, Van de Graaff generator
1
activities
Electrostatics (Physics with Vernier)
Measure static charge on objects after rubbing — chapter covers charging by friction, gold-leaf electroscope, charge quantisation
Electrostatic Potential and Capacitance
Electric potential, equipotential surfaces, capacitance, parallel plate capacitor, energy stored in capacitor, dielectrics
1
activities
Capacitor Charge and Discharge
Measure voltage across capacitor during charge/discharge — exponential curves; chapter covers energy stored E=½CV²
Current Electricity
Ohm's law, resistance, resistivity, temperature coefficient, V-I characteristics, Kirchhoff's laws, Wheatstone bridge, meter bridge, potentiometer, Joule heating
5
activities
Ohm's Law (Physics with Vernier)
Measure V vs I for resistors — verify Ohm's law; chapter explicitly describes V-I measurement and Ohmic/non-Ohmic conductors
Series and Parallel Circuits (Physics with Vernier)
Measure V and I in series/parallel — verify Kirchhoff's laws; chapter covers junction and loop rules
Electrical Energy: Joule Heating
Measure temperature rise from current through resistor — verify P=I²R; chapter covers Joule heating and power dissipation
Temperature Coefficient of Resistance
Measure resistance vs temperature for metals/semiconductors — chapter discusses α for nichrome, metals, and semiconductors
EMF and Internal Resistance of a Cell
Measure terminal voltage vs current — find EMF and r; chapter explicitly describes potentiometer method for internal resistance
Moving Charges and Magnetism
Oersted's experiment, Lorentz force, Biot-Savart law, Ampere's law, solenoid field B=µ₀nI, force between parallel wires, galvanometer, cyclotron
3
activities
Magnetic Field of a Solenoid/Coil
Measure B inside solenoid vs current and position — chapter derives B = µ₀nI for solenoid
Magnetic Field vs Distance from Wire
Measure B at various distances from current-carrying wire — verify Biot-Savart law B = µ₀I/2πr
Force on a Current-Carrying Conductor in B Field
Measure force on wire in magnetic field — verify F = BIl; chapter discusses force between parallel wires
Magnetism and Matter
Bar magnet as dipole, magnetic field lines, Earth's magnetism, dia/para/ferromagnetism, Curie temperature, hysteresis
2
activities
Mapping Magnetic Field of a Bar Magnet
Measure B at axial and equatorial points — chapter describes iron filings pattern and field mapping
Earth's Magnetic Field Component
Measure horizontal component of Earth's field — chapter discusses Earth's magnetic elements
Electromagnetic Induction
Faraday's law (EMF = -NdΦ/dt), Lenz's law, motional EMF, self/mutual inductance, AC generator, energy in inductor
3
activities
Faraday's Law of Induction (Physics with Vernier)
Push magnet through coil, measure induced EMF — chapter describes 3 experiments with galvanometer showing induced current
AC Generator Output
Rotating coil in B field — capture sinusoidal EMF waveform; chapter derives ε = NBAω sin(ωt)
Inductance: Back EMF
Measure back EMF in inductor during current change — chapter covers self-inductance and energy stored ½LI²
Alternating Current
AC voltage/current, rms values, phasors, R/L/C circuits, impedance, LCR resonance, Q factor, power factor, transformers
3
activities
AC Circuits: Phase Relationships (Physics with Vernier)
Measure V and I phase in R, L, C circuits — chapter shows current lags voltage in L, leads in C
LCR Resonance Circuit
Vary frequency, measure current amplitude — plot resonance curve; chapter derives ω₀ = 1/√LC
Transformer Turns Ratio
Measure input/output voltage of step-up/step-down transformer — verify Vs/Vp = Ns/Np
Electromagnetic Waves
Displacement current, Maxwell's equations, EM wave properties, EM spectrum (radio to gamma), Hertz's experiment, speed of light c
1
activities
Infrared Radiation Detection
Detect IR radiation using temperature sensor — chapter discusses infrared as heat waves; practical demo of EM spectrum
Ray Optics and Optical Instruments
Reflection (mirrors), refraction (Snell's law), TIR, thin lens formula, prism dispersion, microscope, telescope, human eye defects
2
activities
Light Intensity: Inverse Square Law
Measure light intensity vs distance — verify I ∝ 1/r²; chapter discusses ray optics with lenses and mirrors
Refraction and Total Internal Reflection
Measure light intensity through different media — chapter covers critical angle and optical fibre applications
Wave Optics
Huygens' principle, Young's double slit (fringe width β=λD/d), single slit diffraction, polarisation, Malus' law, Brewster's law
2
activities
Polarisation: Malus's Law (Physics with Vernier)
Rotate polaroid, measure I vs angle — verify I = I₀cos²θ; chapter describes quantitative polarisation experiment
Interference and Diffraction Patterns
Measure intensity across interference fringes — chapter derives fringe width β = λD/d for YDSE
Dual Nature of Radiation and Matter
Photoelectric effect, work function, stopping potential, Einstein's equation eV₀=hν-φ₀, Planck's constant, de Broglie wavelength, Davisson-Germer
1
activities
Photoelectric Effect Simulation
Measure photocurrent and stopping potential — chapter describes evacuated tube apparatus with voltmeter and microammeter
Atoms
Thomson/Rutherford models, α-scattering, Bohr model En=-13.6/n² eV, hydrogen spectral series, Rydberg constant
1
activities
Hydrogen Emission Spectrum
Observe Balmer series lines (656, 486, 434, 410 nm) — chapter details spectral series with energy level transitions
Nuclei
Nuclear composition, mass defect, binding energy curve, radioactivity (α/β/γ decay), decay law N=N₀e^(-λt), half-life, fission/fusion
2
activities
Radioactive Decay: Half-Life (Physics with Vernier)
Measure count rate vs time — verify exponential decay law; chapter derives N = N₀e^(-λt) and t½ = 0.693/λ
Radiation Shielding
Measure radiation through different materials — chapter discusses α, β, γ penetrating powers
Semiconductor Electronics
Energy bands, p-n junction, diode V-I characteristics, Zener diode, rectifiers, LED, photodiode, solar cell, transistor, logic gates
5
activities
Diode V-I Characteristics (Physics with Vernier)
Measure forward/reverse bias current vs voltage — chapter explicitly describes circuit with ammeter/voltmeter for V-I curve
Rectifier Circuits: Half-Wave and Full-Wave
Observe input AC and output DC waveform with/without capacitor filter — chapter gives full circuit diagrams
Zener Diode Voltage Regulation
Measure regulated output voltage — chapter describes Zener diode as voltage regulator with circuit
LED and Photodiode Response
LED forward voltage/light output and photodiode current vs illumination — chapter covers both special-purpose diodes
Transistor Characteristics (CE Configuration)
Measure IC vs VCE for different IB — compute current gain β; chapter provides full CE characteristic procedure
Solutions
Concentration units, Henry's law, Raoult's law, colligative properties (ΔTb, ΔTf, osmotic pressure), Van't Hoff factor
3
activities
Freezing Point Depression (Chemistry with Vernier)
Measure freezing point of pure water vs solution — compute ΔTf and molar mass; chapter derives ΔTf = Kf × m × i
Boiling Point Elevation
Measure boiling point of pure solvent vs solution — chapter derives ΔTb = Kb × m
Conductivity of Electrolyte Solutions
Compare conductivity of different concentrations — relates to Van't Hoff factor and degree of dissociation
Electrochemistry
Galvanic cells, Daniell cell, Nernst equation, electrode potentials, Kohlrausch's law, molar conductivity, Faraday's laws, batteries, fuel cells, corrosion
4
activities
Galvanic Cell EMF: Nernst Equation (Chemistry with Vernier)
Build Zn-Cu cell at various concentrations — verify E = E° - (RT/nF)lnQ; chapter describes SHE and standard potentials
Molar Conductivity vs Concentration
Measure Λm at different concentrations — plot Kohlrausch variation; chapter gives method using Wheatstone bridge/conductivity cell
Electrolysis: Faraday's Law
Electrolyse CuSO₄, measure charge passed and mass deposited — verify m = (M×I×t)/(n×F); chapter covers electrolysis of multiple solutions
Corrosion Rate Study
Monitor potential of iron in different solutions — chapter discusses corrosion as electrochemical process
Chemical Kinetics
Rate law, order of reaction, integrated rate equations (0th/1st order), half-life, Arrhenius equation, activation energy, collision theory
3
activities
Rate of Reaction: Concentration Effect (Chemistry with Vernier)
Monitor KMnO₄ decolourisation or gas evolution vs time — chapter gives concentration-time data for N₂O₅ decomposition
Activation Energy: Temperature Effect (Chemistry with Vernier)
Measure rate at two temperatures — compute Ea from Arrhenius equation; chapter derives ln(k₂/k₁) = Ea/R(1/T₁ - 1/T₂)
First-Order Kinetics: H₂O₂ Decomposition
Monitor O₂ pressure from H₂O₂ decomposition — verify first-order: ln[R] = ln[R₀] - kt
The d- and f-Block Elements
Transition metals, variable oxidation states, coloured ions, KMnO₄/K₂Cr₂O₇ redox chemistry, catalytic properties, magnetic properties
3
activities
Colorimetry: Transition Metal Ion Colours
Measure absorbance of coloured transition metal solutions — chapter lists colours of all first-row d-block ions
KMnO₄ Redox Titration
Track KMnO₄ decolourisation quantitatively — chapter describes oxidation reactions in acidic/alkaline/neutral media
Catalytic Decomposition of H₂O₂
MnO₂ catalyses H₂O₂ decomposition — measure O₂ evolved and temperature; chapter discusses MnO₂ as catalyst
Coordination Compounds
Werner's theory, ligands, coordination number, IUPAC nomenclature, isomerism, crystal field theory, spectrochemical series, colour/magnetism
2
activities
Spectrophotometry of Complex Ions (Chemistry with Vernier)
Measure absorption spectrum of [Ti(H₂O)₆]³⁺ at 498 nm — chapter uses this as textbook example of d-d transition and colour
Conductometric Analysis of Coordination Compounds
Compare conductivity of ionisation isomers — chapter discusses Werner's primary vs secondary valence and ion count in solution
Haloalkanes and Haloarenes
SN1/SN2, elimination reactions, Grignard reagent, optical activity, Walden inversion, nucleophilic substitution, environmental impact of CFCs
2
activities
Conductometric Monitoring of SN1 Reaction
SN1 produces ions — monitor conductivity increase over time; chapter discusses SN1 carbocation mechanism
Crystal Violet Fading: SN1 Model Reaction
Track colour fading as model for SN1 kinetics — connects to rate law and order of reaction concepts
Alcohols, Phenols and Ethers
Classification (1°/2°/3°), H-bonding and boiling points, acidity (phenol > alcohol > water), esterification, oxidation, fermentation, Lucas test
3
activities
pH of Alcohols vs Phenols
Compare pH of phenol, ethanol, water solutions — chapter gives pKa values: phenol ~10 vs ethanol ~16
Fermentation: CO₂ Production
Yeast fermentation of sugar → ethanol + CO₂ — chapter discusses industrial ethanol by fermentation
Oxidation of Alcohols with KMnO₄
Track KMnO₄ decolourisation as 1° alcohol → aldehyde → acid — chapter covers oxidation pathways for 1°/2°/3° alcohols
Aldehydes, Ketones and Carboxylic Acids
Carbonyl chemistry, nucleophilic addition, Tollens'/Fehling's tests, aldol condensation, carboxylic acid acidity, esterification, iodoform test
3
activities
Carboxylic Acid Strength: pH Comparison
Measure pH of acetic, chloroacetic, trichloroacetic acid — chapter gives pKa: acetic 4.75, chloroacetic 2.86, trichloroacetic 0.7
Acid-Base Titration of Carboxylic Acid
Titrate acetic acid with NaOH — find equivalence point and Ka; chapter covers acid strength and substituent effects
Tollens's Test: Colorimetric
Monitor silver mirror formation — aldehyde vs ketone distinction; chapter describes Tollens and Fehling tests in detail
Amines
Classification (1°/2°/3°), basicity (pKb), Hinsberg test, diazotisation at 0-5°C, azo dyes, carbylamine test
2
activities
Amine Basicity: pH Comparison
Measure pH of methylamine, aniline, ammonia solutions — chapter gives pKb: aniline 9.4, ethylamine 3.3, NH₃ 4.7
Azo Dye Formation: Colorimetry
Diazotise aniline at 0-5°C, couple with phenol — track colour development; chapter describes diazonium coupling reactions
Biomolecules
Carbohydrates (glucose, fructose, sucrose, starch), reducing sugars, amino acids, proteins, enzymes, DNA/RNA, vitamins, lipids
4
activities
Reducing Sugar Test: Fehling's/Benedict's (Chemistry with Vernier)
Test glucose, fructose, sucrose — chapter specifies glucose/maltose/lactose are reducing; sucrose is NOT
Starch-Iodine Test
Measure blue-black colour intensity with starch + I₂ — chapter describes starch detection and amylose structure
Enzyme Activity: Temperature/pH Optimum
Measure enzyme reaction rate at different T and pH — chapter discusses enzyme denaturation, optimum ~37°C
Protein Denaturation
Heat egg albumin — observe/measure turbidity change; chapter discusses denaturation by heat, acid, heavy metals
Sexual Reproduction in Flowering Plants
Flower structure, microsporogenesis, megasporogenesis, pollination, double fertilisation, seed/fruit formation, pollen germination
2
activities
Pollen Germination: Temperature Effect
Measure pollen tube growth at different temperatures — chapter describes pollen germination in 10% sugar solution
Seed Germination: O₂ Consumption
Measure respiration of germinating seeds — chapter discusses seed viability and moisture content 10-15%
Human Reproduction
Male/female reproductive systems, spermatogenesis, oogenesis, menstrual cycle, fertilisation, embryonic development, placenta, parturition
0
activities
Anatomy and developmental biology chapter — no direct sensor-based experiments applicable at school level
Reproductive Health
Population growth, contraception, STIs, infertility treatments (IVF, ZIFT), amniocentesis
0
activities
Public health and policy chapter — no direct sensor-based experiments
Principles of Inheritance and Variation
Mendelian genetics, monohybrid/dihybrid crosses, incomplete dominance, co-dominance, sex-linked inheritance, chromosomal disorders
0
activities
Theoretical genetics chapter — involves pedigree analysis and probability, not sensor-based measurements
Molecular Basis of Inheritance
DNA structure (double helix, 0.34 nm/bp), replication, transcription, translation, genetic code, lac operon, HGP, DNA fingerprinting, gel electrophoresis
2
activities
Gel Electrophoresis: Buffer Conductivity
Measure buffer conductivity for electrophoresis — chapter describes agarose gel separation of DNA fragments
PCR Temperature Cycling Demonstration
Monitor temperature changes simulating PCR — chapter gives denaturation 95°C, annealing 55°C, extension 72°C
Evolution
Chemical evolution, Miller-Urey experiment, natural selection, Hardy-Weinberg, adaptive radiation, human evolution, fossils, radioactive dating
1
activities
Simulated Prebiotic Chemistry
Model conditions of Miller-Urey experiment — chapter describes CH₄, H₂, NH₃, water vapour at 800°C with electric discharge
Human Health and Disease
Pathogens, typhoid (39-40°C), pneumonia, malaria, immune system, AIDS, cancer, drugs/alcohol, blood pH 7.4
3
activities
Body Temperature and Fever
Monitor body temperature changes — chapter gives typhoid fever sustained at 39-40°C vs normal baseline
Effect of Exercise on Heart Rate and Breathing
Monitor physiological responses — chapter discusses adrenaline effects on HR, BP, and respiration
Microbial Growth Curve
Measure bacterial turbidity (OD) over time — relates to pathogen growth discussed in chapter
Microbes in Human Welfare
Fermentation (yeast, LAB, cheese), antibiotics, sewage treatment (BOD), biogas, biofertilisers, biocontrol
4
activities
Yeast Fermentation: CO₂ Production (Biology with Vernier)
Monitor CO₂ from yeast + sugar — chapter discusses bread dough, beer, wine fermentation with CO₂ release
Lactic Acid Fermentation: pH Change
Milk → curd: monitor pH drop (~6.5 to ~4.5) — chapter describes LAB converting lactose to lactic acid
BOD Measurement: Dissolved O₂
Measure O₂ consumption in water samples — chapter gives BOD values: raw sewage ~400 mg/L, treated ~20 mg/L
Biogas Production Monitoring
Measure gas pressure from anaerobic digestion — chapter describes biogas plant with methanogens producing CH₄+CO₂+H₂S
Biotechnology: Principles and Processes
Restriction enzymes, gel electrophoresis, cloning vectors (pBR322), PCR, bioreactors, recombinant DNA technology, blue-white screening
2
activities
Bioreactor pH and Temperature Monitoring
Monitor bioreactor conditions — chapter describes large-scale culture with controlled temperature, pH, O₂ supply
DNA Extraction and Quantification
Measure DNA concentration via absorbance — chapter covers ethidium bromide staining and UV visualisation of DNA bands
Biotechnology and its Applications
GM crops (Bt cotton), RNAi, insulin production, gene therapy, ELISA, PCR diagnostics, transgenic animals, bioethics
2
activities
ELISA: Colorimetric Detection
Measure absorbance of ELISA plate — chapter describes antigen-antibody detection with colour development
Bt Toxin and pH Activation
Demonstrate pH effect on protein activity — chapter states Bt toxin activates in alkaline insect gut
Organisms and Populations
Population density, exponential growth (dN/dt=rN), logistic growth (K carrying capacity), interspecific interactions, ecological niche
2
activities
Water Quality: Dissolved O₂ and pH
Measure DO, pH, temperature of pond water — chapter discusses abiotic factors affecting population distribution
Population Growth: Yeast Culture
Track yeast population by turbidity over time — model logistic growth with carrying capacity K
Ecosystem
Primary productivity (GPP/NPP), decomposition, energy flow (10% law), ecological pyramids, nutrient cycling (C/P cycle), ecosystem services
4
activities
Primary Productivity: Light/Dark Bottle (Biology with Vernier)
Measure DO in light vs dark bottles — compute GPP, NPP, respiration; chapter defines NPP = GPP - R
Decomposition Rate: CO₂ Evolution
Measure CO₂ from decomposing leaf litter at different temperatures — chapter states warm/moist conditions accelerate decomposition
Soil Respiration
Measure CO₂ from soil samples — mineralisation and nutrient cycling; chapter covers decomposition → humification → mineralisation
Effect of Light on Aquatic Productivity
Measure O₂ production at different light levels — chapter discusses PAR and 2-10% energy capture by plants
Biodiversity and Conservation
Genetic/species/ecosystem diversity, species-area relationship (log S = log C + Z log A), biodiversity hotspots, in situ/ex situ conservation
2
activities
Water Quality Survey: Multi-Parameter
Assess aquatic ecosystem health — DO, pH, conductivity, temperature; chapter discusses ecosystem services and biodiversity-productivity link
Forest vs Open: CO₂ and Light Comparison
Compare CO₂ levels, light, temperature in forest canopy vs open — chapter states Amazon produces ~20% of atmospheric O₂
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