12th Physics Most important 2m, 3m, 5mark questions last minute how to 35+/60 Study important questions Pdf 👇🏻👇🏻👇🏻

⚡ 12th Physics Quarterly Exam

2025-2026 • State Board Important Questions

🎯 Target: Score 35+/60

📊 Study Progress

0% Complete

Chapter 1

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Electrostatics

2 MARKS

• • Coulomb's law statement & formula
• • Electric field definition & unit
• • Gauss theorem statement
• • Capacitor principle
• • Dielectric constant definition

3 MARKS

• • Electric field due to point charge
• • Potential difference derivation
• • Capacitors in series & parallel
• • Energy stored in capacitor

5 MARKS

• • Gauss theorem applications
• • Electric field due to infinite sheet
• • Parallel plate capacitor derivation

Chapter 2

🔄

Current Electricity

2 MARKS

• • Ohm's law statement
• • Drift velocity definition
• • EMF definition
• • Kirchhoff's laws
• • Superconductivity

3 MARKS

• • Resistors in series & parallel
• • Wheatstone bridge principle
• • Potentiometer working
• • Temperature coefficient of resistance

5 MARKS

• • Drift velocity derivation
• • Wheatstone bridge applications
• • Potentiometer comparison of EMF

Chapter 3

🧲

Magnetism and Magnetic Effects

2 MARKS

• • Magnetic field definition
• • Biot-Savart law statement
• • Ampere's law statement
• • Magnetic dipole moment
• • Hysteresis definition

3 MARKS

• • Force on current carrying conductor
• • Torque on current loop
• • Moving coil galvanometer
• • Magnetic field due to solenoid

5 MARKS

• • Magnetic field due to circular coil
• • Ampere's circuital law applications
• • Conversion of galvanometer to ammeter

Chapter 4

🔌

Electromagnetic Induction

2 MARKS

• • Faraday's law statement
• • Lenz's law statement
• • Self inductance definition
• • Mutual inductance definition
• • Eddy currents

3 MARKS

• • EMF in moving conductor
• • Energy stored in inductor
• • AC generator principle
• • Transformer working

5 MARKS

• • Self inductance of solenoid
• • AC generator construction & working
• • Transformer efficiency & losses

Chapter 5

🌊

Electromagnetic Waves

2 MARKS

• • Displacement current
• • EM wave properties
• • Speed of EM waves
• • EM spectrum classification
• • Polarization definition

3 MARKS

• • Maxwell's equations
• • Energy density of EM waves
• • Poynting vector
• • Applications of EM waves

5 MARKS

• • Derivation of EM wave equation
• • Hertz experiment
• • EM spectrum detailed study

Chapter 6

🔍

Optics

2 MARKS

• • Snell's law statement
• • Total internal reflection
• • Critical angle definition
• • Lens formula
• • Power of lens

3 MARKS

• • Refraction through prism
• • Lens maker's formula
• • Optical instruments principle
• • Interference conditions

5 MARKS

• • Young's double slit experiment
• • Compound microscope working
• • Telescope construction & working

🎯

How to Score 60+/90

• ✓Master all formulas and derivations
• ✓Practice numerical problems daily
• ✓Focus on 5-mark derivations
• ✓Draw neat diagrams with labels
• ✓Solve previous year papers
• ✓Understand concepts, don't memorize

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Last Minute Tips

• 🔥Ch 1: Gauss law & capacitor formulas
• 🔥Ch 2: Kirchhoff's laws & Wheatstone bridge
• 🔥Ch 3: Biot-Savart law applications
• 🔥Ch 4: Faraday's & Lenz's laws
• 🔥Ch 5: Maxwell's equations
• 🔥Ch 6: Lens formula & Young's experiment

📋 Important Formulas to Remember

Electrostatics: F = kq₁q₂/r², E = F/q, C = Q/V

Current: V = IR, P = VI, R = ρl/A

Magnetism: F = BIl, τ = BINA, B = μ₀I/2πr

Induction: ε = -dΦ/dt, L = Φ/I, U = ½LI²

Waves: c = 1/√(μ₀ε₀), I = ½ε₀cE²

Optics: 1/f = 1/u + 1/v, n = sin i/sin r

⚡ Physics Success Formula!

Understand → Practice → Apply → Master. Physics is about understanding the universe! 🌌