UP Board Class 12th Physics Important Topics with Weightage -

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In the Class 12th curriculum, Physics is considered the most changeling subject due to these formulas and applications. As the annual exam is approaching, students may be looking for the UP Board Class 12th Physics Important Topics, which helps them to secure maximum scores with limited chapters. We at Adda247, our in-house experts prepared a list of UP Board Class 12th Physics Important Topics upon a deep analysis of last year’s question papers on this page.

UP Board Class 12th Physics Important Topics

As per the UP Board timetable, the class 12th physics exam is scheduled to be held on March 6. For the students who are in the UP Board Class 12th Science stream, physics is one of the most scoring and tricky subjects. The list of UP Board Class 12th Physics Important Topics 2025 has been prepared after a thorough analysis of the last 3-5 years’ question papers. This helps us to know the overall pattern, section-specific weightage, and question categories. Identify reoccurring themes and frequently asked questions from which Class 12 physics topics.

Important Topics of Physics Class 12 UP Board 2025

The UP Board 12th Physics syllabus is extensive, encompassing a total of nine units. The primary topics in UP Board Class 12 Physics are electrostatics, current electricity, optics, and so on. To have a solid comprehension of the subject, students must first grasp the fundamental principles. Check out the unit-wise UP Board Class 12 Physics important topics below.

UP Board 12th Physics Paper 1 Important Topics

Key topics covered in each unit of the UP Board Class 12 Physics (Paper I) course:

Unit Name	Name of the Important Topics
Unit- 1 Static Electricity	Electric charge Conservation of charge electric field electric field due to electric charge Statement of Gauss law and uniformly charged straight wire of infinite length Electric potential, potential difference, electric dipole, electric potential due to law of charges Capacitor and Capacitance combination of devices in series and parallel Superposition principle and continuous charge distribution
Unit- 2 Current Electricity	electric current flow of electric charges in a metallic conductor Drift velocity, mobility and their relation with electric current Ohm’s Law Electrical Resistance VI Characteristics (Linear and Non-Linear) Electric Energy and Power Carbon resistors, character code for carbon resistors series and parallel combination of resistors Internal resistance of cells, potential difference and emf of cell Kirchhoff’s laws and its applications Wheatstone bridge
Unit- 3 Magnetic effect of electric current and magnetism	Biosevert’s law and its application in a current carrying loop Ampere’s law and its application to a straight wire of infinite length Force on moving charges in uniform magnetic and electric fields Electromagnets and the factors that carry their intensities Force between conductors – Definition of ampere – Torque experienced by a current carrying loop in a uniform magnetic field Moving-coil galvanometer, its current sensitivity and its conversion into ammeter and voltmeter Electromagnets and the factors that influence their intensity
Unit- 4 Electromagnetic Induction and Alternating Currents	Electromagnetic- Faraday’s law Induced emf and current Lenz’s Law reactance and impedance LC oscillation Power in AC Circuit waterless stream
Unit- 5 Electromagnetic Waves	displacement current requirement electromagnetic waves Electromagnetic spectrum (radio waves, microwaves, visible infrared, ultraviolet, X-rays, gamma rays).

UP Board 12th Physics Paper 2 Important Topics

Check All Important topics for all units of the UP Board Class 12th Physics (Paper II)

Unit Name	Name of the Important Topics
Unit- 1 Optics	Reflection of light Spherical mirror Mirror formula Refraction of light Lenses, formula of thin lenses Magnification, power of the lens combination of lens and mirror Refraction and dispersion of light through a prism blue sky sunrise and sunset times
Unit- 2 Giant Nature of Matter and Radiations	photoelectric effect einstein photoelectric equation de Bragli relation Davisson and Germer experiment Unit- 3 Atoms and Nuclei Rutherford model of the atom energy levels Hydrogen Spectrum Radioactive decay-laws, mass, isotopic, material, isoneutronic Radioactivity alpha, beta and gamma particles nuclear fission and fusion
Unit- 4 Electronic Devices	Energy bands in solids Driver insulators and semiconductors Photodiode Solar Cells and Zener Diodes Junction Transistor Logic gates (OR, AND, NAND and NOR) as transistor switches. components of a communication system Bandwidth of signals Need for modulation

UP Board 12th Physics Topics with weightage

The UPMSP Class 12 Physics syllabus includes nine units divided into two sections. Section A covers four units, while Section B covers the remaining ones. The course structure is an important aspect of the syllabus since it specifies the number of units studied and their respective weightings. This allows students to analyze and prepare the higher-weighted unit first in order to cover the largest number of marks on the paper. View the complete UP Board 12th Physics Topics with weightage below.

Section-1 (खण्ड-क)
Unit No.	Unit Name	Weightage
1	Electrostatics (स्थिर विद्युतकी)	08 Marks
2	Current Electricity (धारा विद्युत)	07 Marks
3	Magnetic effect of current and magnetism (धारा का चुम्बकीय प्रभाव तथा चुम्बकत्व)	08 Marks
4	Electromagnetic Induction and Alternating Currents (वैद्युत चुम्बकीय प्रेरण तथा प्रत्यावर्ती धारायें)	08 Marks
5	Electromagnetic Waves (वैद्युत चुम्बकीय तरंगे)	04 Marks
Total		35 Marks
Section-2 (खण्ड-ख)
Unit No.	Unit Name	Weightage
1	Optics (प्रकाशिकी)	13 Marks
2	Dual Nature of Matter and Radiation (द्रव्य तथा विकिरणों की द्वैत प्रकृति)	06 Marks
3	Atom and Nucleus (परमाणु तथा नाभिक)	08 Marks
4	Electronic Devices (इलेक्ट्रॉनिक युक्तियाँ)	08 Makrs
Total		35 Marks

To know which topics are important for the UP board class 12 Physics, we are highly recommended to refer to the recently released model question paper. practicing this model paper you will have a very good understanding of the areas that need a strong comprehension of underlying ideas and focussing on topics that have high weightage in the exam.