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Index
Space Technology
Nuclear Energy and Renewable Energy
Monthly Current Affairs
How to Prepare Science & Technology for UPSC?
Science & Technology in India
Biotechnology
Defence Technology
Latest Advances in Technology
Capsule List of Science and Technology
Information Technology and Communication
Robotics
Nanotechnology
Health Issues, Diseases and Medicine
Physics
Chemistry
Biology
Class 6
Class 7
Class 8
Class 9
Class 10 NCERT Physics
Class 10 NCERT Chemistry
Class 10 NCERT Biology
NCERT Summary
Practice Tests
Topic-wise UPSC Mains Questions
Mains Previous Year Questions (Full-length)
Prelims Previous Year Questions
All Exams  >   UPSC  >   Science & Technology for UPSC CSE  >   All Notes

All notes of Science & Technology for UPSC CSE

Space Technology

Space Research in India

24 pages

Dark Energy & Dark Matter

5 pages

Satellite Launch Vehicles

12 pages

Indian Space Vision 2025

6 pages

Star Formation & Galaxies

9 pages

Antrix & Space Capsule Research Experiments

7 pages

Satellite Programmes

9 pages

Research Centres of DoS

5 pages

India’s Reusable Launch Vehicle (RLV): Everything you need to know

2 pages

Lagrange Points and Satellites

8 pages

Important missions of ISRO at a glance

23 pages

Important missions of NASA

27 pages

GS3 PYQ (Mains Answer Writing): Space Technology

7 pages

Satellite Frequency Bands

2 pages

Some General Concepts

8 pages

Space Diplomacy of India

6 pages

International Space Treaties & Laws

7 pages

International Cooperation – BRICS space initiatives, ESA-ISRO Collaborations

5 pages

Private Space Sector in India

6 pages

Emerging Space Technologies

7 pages

Flashcards: Space Technology

32 cards

GSLV D5, GSAT 14, Cryogenic Technology and ISRO

2 pages

GSLV Mk III-D1 OR GSAT-19 Mission: Another Success Story

2 pages

Milestones In India’s Space Programme

5 pages

Important Missions in Space Technology

15 pages

12-Days Study Plan: Space Technology

5 pages

Space Debris & Mitigation Technologies

7 pages

Applications of Space Technology in Governance: Disaster Management, Agriculture, Urban Planning

5 pages

Mind Map: Space Technology

1 page

PPT: Space Technology- 2

42 pages

PPT: Space Technology- 4

36 pages

PPT: Space Technology

18 pages

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Nuclear Energy and Renewable Energy

Nuclear Energy in India

14 pages

India’s 3 Stage Nuclear Programme

3 pages

Nuclear Power Plants in India

1 page

Renewable & Non-Conventional Sources Of Energy

13 pages

Flashcards: Nuclear Energy

30 cards

Nuclear Reactors and Their Types

34 pages

Nuclear Vision of India

6 pages

Applications of Nuclear Power

3 pages

GS3 PYQ (Mains Answer Writing): Nuclear Energy

3 pages

Nuclear Non-Proliferation Treaty (NPT)

14 pages

Multilateral Export Control Regimes

8 pages

Nuclear Suppliers Group (NSG)

2 pages

Thorium-based Reactors & India’s Role

6 pages

International Nuclear Agreements: Indo-US Civil Nuclear Deal, CTBT, FMCT

8 pages

Nuclear Waste Management & Safety Protocols

6 pages

Recent Nuclear Accidents & Lessons Learned – Chernobyl, Fukushima

6 pages

Small Modular Reactors (SMRs) – Future of Nuclear

6 pages

National Solar Mission, Wind Mission, Hydrogen Mission

6 pages

Green Hydrogen & Fuel Cells

5 pages

Energy Storage Technologies – Lithium-ion, Sodium-ion, Flow Batteries, Pumped Hydro

6 pages

Bioenergy, Geothermal, Tidal Energy Potential in India

6 pages

Carbon Capture & Utilisation Technologies

5 pages

Renewable Energy Integration into Smart Grids

5 pages

Mind Map: Nuclear Energy

1 page

Mind Map: Renewable Energy

1 page

Cheat Sheet: Nuclear Energy and Renewable Energy

1 page

PPT: Nuclear Energy and Renewable Energy

19 pages

Monthly Current Affairs

Science & Technology: August 2025 UPSC Current Affairs

28 pages

Science & Technology (Part 1): July 2025 UPSC Current Affairs

27 pages

Science & Technology (Part 2): July 2025 UPSC Current Affairs

33 pages

Science & Technology: June 2025 UPSC Current Affairs

8 pages

Science and Technology: May 2025 UPSC Current Affairs

14 pages

Science and Technology: April 2025 UPSC Current Affairs

10 pages

Science & Technology: March 2025 UPSC Current Affairs

21 pages

Science and Technology: February 2025 UPSC Current Affairs

8 pages

Science and Technology: January 2025 UPSC Current Affairs

10 pages

Science and Technology: December 2024 UPSC Current Affairs

10 pages

Science and Technology: November 2024 UPSC Current Affairs

6 pages

Science and Technology: October 2024 UPSC Current Affairs

30 pages

Science and Technology: September 2024 UPSC Current Affairs

27 pages

Science and Technology: August 2024 UPSC Current Affairs

21 pages

Science and Technology: July 2024 UPSC Current Affairs

28 pages

Science and Technology: May 2024 UPSC Current Affairs

23 pages

Science and Technology: April 2024 UPSC Current Affairs

41 pages

Science and Technology: March 2024 UPSC Current Affairs

14 pages

Science and Technology: February 2024 UPSC Current Affairs

21 pages

Science and Technology: January 2024 UPSC Current Affairs

22 pages

Science and Technology: December 2023 UPSC Current Affairs

11 pages

Science and Technology: November 2023 UPSC Current Affairs

25 pages

Science and Technology: October 2023 UPSC Current Affairs

17 pages

Science and Technology: September 2023 UPSC Current Affairs

13 pages

Science and Technology: August 2023 UPSC Current Affairs

16 pages

Science and Technology: July 2023 UPSC Current Affairs

11 pages

Science and Technology: June 2023 UPSC Current Affairs

12 pages

Science and Technology: May 2023 UPSC Current Affairs

17 pages

Science and Technology: April 2023 UPSC Current Affairs

15 pages

Science and Technology: March 2023 UPSC Current Affairs

13 pages

Science and Technology: February 2023 UPSC Current Affairs

18 pages

Science and Technology: January 2023 UPSC Current Affairs

18 pages

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Biotechnology

Introduction to Biotechnology

7 pages

Biotechnology Regulatory Authority Bill

3 pages

Genome Sequencing

2 pages

DNA Fingerprinting

2 pages

Pharmacogenomics

4 pages

Transgenic Organisms

2 pages

Department of Biotechnology

7 pages

Genetic Engineering Technique: Gene Transfer

7 pages

Flashcards: Biotechnology

32 cards

Human Genome Project

3 pages

Virus and Bacteria

3 pages

Genetic Engineering

22 pages

Human Genetic Engineering and Cloning

12 pages

DNA Cloning

6 pages

GS3 PYQ (Mains Answer Writing): Biotechnology

5 pages

Applications of Biotechnology

5 pages

Biological Engineering

4 pages

Gene Therapy

4 pages

Stem Cells

9 pages

Reproductive Technologies

3 pages

Bio Sensors

8 pages

Bioinformatics

10 pages

Human Genome Project & DNA Fingerprinting

13 pages

Cell, Types of Cell and Organisms

3 pages

Cell Organelles

10 pages

Antigens and Antibodies

8 pages

11-Days Study Plan: Biotechnology

5 pages

Synthetic Biology & CRISPR (Gene Editing Revolution)

5 pages

Bioethics & Regulatory Issues in Genetic Engineering

5 pages

GM Crops & Regulatory Mechanisms in India

6 pages

Biosecurity & Bioterrorism in Genetic Engineering

5 pages

Latest Developments in Vaccine Technology

5 pages

Mind Map: Biotechnology

1 page

Cheat Sheet: Biotechnology

1 page

PPT: Biotechnology & its Applications

39 pages

PPT: Biotechnology

19 pages

Defence Technology

DRDO - A View

5 pages

Indian Military Aircrafts & Helicopters

9 pages

Artillery System in India

9 pages

Flashcards: Defence Technology

32 cards

Defence Technology in India

20 pages

Defence Research and Development Organisation

7 pages

Defence Technology – Missiles, Submarines, UAVs

19 pages

Anti-tank Guided Missile (ATGM)

3 pages

Military Exercises of India with Other Countries

1 page

Nuclear Command Authority

4 pages

India’s Nuclear Triad

2 pages

Anti Ballistic Missile Defence System

1 page

S400

1 page

Iron Dome

1 page

Cybersecurity & Cyber Warfare

4 pages

Quantum Communication

3 pages

Directed Energy Weapons (DEWs) and Hypersonic Missiles

6 pages

Autonomous Weapon System (AI in Warfare)

5 pages

Underwater Drones and Surveillance Systems

5 pages

Mind Map: Defence Technology

1 page

Cheat Sheet: Defence Technology

1 page

PPT: Defence Technology

19 pages

Information Technology and Communication

Broadband

8 pages

5G

3 pages

India in IT & Computer Science

22 pages

New Technologies

10 pages

Flashcards: Information Technology and Communication

32 cards

Programmes & Policies Related to ICT

21 pages

C-DAC

3 pages

Awareness in Field of IT & Computers- 1

19 pages

Awareness in Field of IT & Computers- 2

8 pages

E-Governance

7 pages

Digital India

11 pages

Digital Signature Certificate

1 page

Encryption

1 page

Quantum Cryptography

2 pages

Central Bank Digital Currency (CBDC)

1 page

Blockchain Technology

1 page

Li-Fi

2 pages

Cloud Computing

2 pages

Internet Governance

2 pages

Digital Divide

2 pages

Artificial Intelligence

8 pages

Machine Learning, IoT, and Blockchain Basics

6 pages

6G Technology Developments

7 pages

Quantum Computing

5 pages

Cybersecurity: CERT-In, Cyber Threats, Data Protection, and Cyber Laws in India

9 pages

Digital India & India Stack (Aadhaar, UPI, DigiLocker)

8 pages

Digital Payments Ecosystem: UPI, e-RUPI, CBDC Global Comparisons

6 pages

Metaverse & Web 3.0

5 pages

Mind Map: Information Technology and Communication

1 page

Cheat Sheet: Information Technology and Communication

1 page

Health Issues, Diseases and Medicine

Biological Terms

6 pages

Current S & T Terminology- 1

18 pages

Pathological Conditions

6 pages

Fundamentals of Medicine, Causes of Disease

1 page

Current S & T Terminology- 2

17 pages

Flashcards: Health Issues, Diseases and Medicine

30 cards

Coronavirus (COVID-19): Outbreak, Impact, and Prevention

11 pages

Covid Tests: Different Types of Coronavirus Testing

4 pages

Diseases and Their Classification

22 pages

Vitamins and Minerals (Deficiency Diseases)

7 pages

Diseases – Zoonotic, Hereditary, Protozoan, Viral & Bacterial

17 pages

Vaccines & Types of Vaccines

5 pages

Diabetes: Type 1 Diabetes & Type 2 Diabetes

2 pages

Hepatitis – Causes, Types & Treatment

3 pages

6-Days Study Plan: Health Issues, Diseases and Medicine

4 pages

Mind Map: Health Issues, Diseases and Medicine

1 page

Cheat Sheet: Health Issues, Diseases and Medicine

1 page

PPT: Human Health & Diseases

114 pages

PPT: Reproductive Health

51 pages

PPT: Health Issues, Diseases and Medicine

18 pages

Physics

General Physics

10 pages

The Big Bang Theory

8 pages

NCERT Textbook: Units & Measurement

23 pages

Unit & Measurement

4 pages

Introduction: Motion in a Straight Line

22 pages

NCERT Textbook: Motion in a Straight Line

14 pages

NCERT Textbook: Motion in a Plane

22 pages

Introduction to Motion in a Plane

4 pages

NCERT Summary: Force and Laws of Motion

11 pages

NCERT Textbook - Force and Laws of Motion

13 pages

NCERT Textbook: Work, Energy & Power

21 pages

Quick Revision: Work, Energy & Power

15 pages

Work, Energy, Power, Simple Pendulum & Restoring Force

10 pages

Revision Notes: Gravitation

23 pages

NCERT Textbook: Gravitation

17 pages

Revision Notes: Properties of Solids and Liquids

18 pages

NCERT Textbook: Mechanical Properties of Solids

13 pages

Mechanical Properties of Fluids: Part 1

12 pages

NCERT Textbook: Mechanical Properties of Fluids

22 pages

NCERT Summary: Heat

6 pages

NCERT Textbook: Heat

14 pages

NCERT Textbook: Thermodynamics

18 pages

NCERT Textbook: Oscillations

19 pages

Revision Notes: Oscillations & Waves

16 pages

Waves, Wave Motion and Types of Waves

7 pages

GS3 PYQ (Mains Answer Writing): Bose-Einstein Statistics

1 page

NCERT Textbook: Waves

22 pages

NCERT Textbook: Electromagnetic Waves

14 pages

NCERT Summary: Sound

14 pages

NCERT Textbook: Sound

15 pages

Electric Charges: Definition, Formula, Properties, Unit & More

12 pages

NCERT Textbook: Electric Charges & Fields

44 pages

Revision Notes: Electrostatics & Current Electricity

6 pages

NCERT Textbook: Current Electricity

26 pages

NCERT Summary: Moving Charges and Magnetism

33 pages

NCERT Textbook: Moving Charges & Magnetism

29 pages

NCERT Textbook: Electromagnetic Induction

23 pages

Quick Revision: Electromagnetic Induction

5 pages

NCERT Textbook: Ray Optics & Optical Instruments

34 pages

NCERT Textbook: Wave Optics

19 pages

Dispersion, Colours, Scattering, Diffraction of Light, Magnetism & Electricity

12 pages

Revision Notes: Dual Nature of Matter & Radiation

4 pages

NCERT Textbook: Dual Nature of Wave & Radiation

16 pages

NCERT Textbook: Semiconductor Electronics

32 pages

Semiconductors: Properties & Types

11 pages

Standard Particle Model of Quantum Mechanics: Inside an Atom

6 pages

Fermions and Bosons: Particles Which Make The Universe

5 pages

The Four Fundamental Forces of Nature

3 pages

Mnemonics: Motion and Laws of Motion

1 page

14-Days Study Plan: Physics

5 pages

Chemistry

Chemistry Basics – Atoms, Molecules, Elements, Compounds, and Mixtures

3 pages

NCERT Textbook: Structure of Atom

45 pages

Atomic Models: Dalton, Thomson & Rutherford

11 pages

NCERT Textbook: States of Matter

24 pages

NCERT Summary: Matter in our surroundings

21 pages

NCERT Textbook: Matter in Our Surroundings

13 pages

Soaps & Detergents, Paints

2 pages

NCERT Summary: Is Matter Around Us Pure

16 pages

NCERT Textbook: Chemical Reactions & Equations

16 pages

NCERT Summary: Chemical Reactions & Equations

11 pages

Redox Reactions: Oxidation & Reduction, Oxidation Number

12 pages

NCERT Textbook: Redox Reactions

21 pages

NCERT Textbook: Classification of Elements & Periodicity in Properties

26 pages

Modern Periodic Law & Modern Periodic Table

3 pages

NCERT Summary: Acids, Bases & Salts

20 pages

NCERT Textbook: Acids, Bases & Salts

20 pages

Hardness of Water, Acids, Bases & Salts

4 pages

NCERT Summary: Metals & Non-metals

20 pages

NCERT Textbook: Metals & Non-metals

21 pages

NCERT Summary: Carbon & Its Compounds

13 pages

NCERT Textbook: Carbon & its Compounds

21 pages

NCERT Summary: Synthetic Fibres and Plastics

5 pages

NCERT Summary: Synthetic Fibres & Plastics

2 pages

NCERT Textbook: Environmental Chemistry

17 pages

Detailed Overview: Environmental Chemistry

16 pages

Nuclear chemistry: Basics

2 pages

Mnemonics: Substance and its Nature

1 page

9-Days Study Plan: Chemistry

5 pages

Biology

NCERT Summary: Taxonomy: Identification, Nomenclature & Classification

8 pages

NCERT Textbook: The Living World

9 pages

NCERT Textbook: Biological Classification

13 pages

NCERT Summary: Biological Classification

7 pages

PPT: Plant Kingdom

113 pages

NCERT Textbook: Plant Kingdom

14 pages

Bacteria, Virus, Algae, Fungi & Lichens

10 pages

NCERT Summary: Animal Kingdom

16 pages

NCERT Textbook: Animal Kingdom

18 pages

NCERT Textbook: Morphology of Flowering Plants

16 pages

NCERT Summary: Morphology of Flowering Plants

15 pages

NCERT Summary: Anatomy of Flowering Plants

11 pages

NCERT Textbook: Anatomy of Flowering Plants

8 pages

NCERT Textbook: Structural Organisation in Animals

6 pages

NCERT Summary: Cell: The Unit of Life

18 pages

NCERT Textbook: Cell: The Unit of Life

19 pages

NCERT Summary: Biomolecules

15 pages

NCERT Textbook: Biomolecules

16 pages

NCERT Summary: Cell Cycle and Cell Division

5 pages

NCERT Textbook: Cell Cycle & Cell Division

11 pages

NCERT Textbook: Digestion & Absorption

13 pages

Revision Notes: Digestion & Absorption

4 pages

NCERT Textbook: Breathing & Exchange of Gases

12 pages

Mechanism of Breathing and Exchange of Gases

5 pages

NCERT Summary: Body Fluids & Circulation

9 pages

NCERT Textbook: Body Fluids & Circulation

12 pages

NCERT Textbook: Excretory Products & their Elimination

12 pages

NCERT Summary: Excretory Products and their Elimination

12 pages

NCERT Textbook: Locomotion & Movement

13 pages

Movement & Its Types

11 pages

NCERT Textbook: Neural Control & Coordination

9 pages

NCERT Summary: Neural Control and Coordination

9 pages

Animal Tissue, Skeletal System

10 pages

NCERT Textbook: Chemical Coordination & Integration

14 pages

Chemical Coordination and Integration

13 pages

NCERT Textbook: Reproductive Health

10 pages

NCERT Summary: Reproductive Health

12 pages

NCERT Summary: Human Health and Diseases

27 pages

NCERT Textbook: Human Health & Disease

22 pages

NCERT Textbook: Microbes in Human Welfare

12 pages

Revision Notes: Microbes in Human Welfare

7 pages

GS3 PYQ (Mains Answer Writing): Stem Cell Therapy

1 page

Mnemonics: Biological Classification

1 page

Mnemonics: The Cell

1 page

Mind Map: Introducing Biology

1 page

Flashcards: Basic Biology

30 cards

Flashcards: Introducing Biology

38 cards

Class 6

Important Chapters from NCERT Class 6 Science and Summaries

1 page

NCERT Textbook: Food- Where does it come from

7 pages

NCERT Textbook: Components of Food

10 pages

NCERT Textbook: Fibre to Fabric

11 pages

NCERT Textbook: Light, Shadow & Reflections

9 pages

NCERT Textbook: The Living Organisms - Characteristics & Habitats

16 pages

NCERT Textbook: Sorting Materials into Groups

9 pages

NCERT Textbook: Air Around Us

10 pages

NCERT Textbook: Changes Around us

6 pages

NCERT Textbook: Separation of Substances

11 pages

NCERT Textbook: Getting to know Plants

14 pages

NCERT Textbook: Body Movements

13 pages

NCERT Textbook: Motion & Measurement of Distances

12 pages

NCERT Textbook: Electricity & Circuits

9 pages

NCERT Textbook: Fun with Magnets

11 pages

NCERT Textbook: Water

11 pages

NCERT Textbook: Garbage In, Garbage Out

12 pages

Class 7

Important Chapters from NCERT Class 7 Science and Summaries

4 pages

NCERT Textbook: Fibre to Fabric

11 pages

NCERT Textbook: Nutrition in Plants

10 pages

NCERT Textbook: Nutrition in Animals

13 pages

NCERT Textbook: Transportation in Animals & Plants

12 pages

NCERT Textbook: Acids, Bases & Salts

9 pages

NCERT Textbook: Heat

14 pages

NCERT Textbook: Physical & Chemical Changes

10 pages

NCERT Textbook: Weather, Climate & Adaptations of Animals to Climate

12 pages

NCERT Textbook: Winds, Storms & Cyclones

16 pages

NCERT Textbook: Respiration in Organisms

13 pages

NCERT Textbook: Soil

12 pages

NCERT Textbook: Reproduction in Plants

10 pages

NCERT Textbook: Motion & Time

17 pages

NCERT Textbook: Electric Current & its Effects

14 pages

NCERT Textbook: Light

18 pages

NCERT Textbook: Water- A Precious Resource

13 pages

NCERT Textbook: Wastewater Story

13 pages

NCERT Textbook: Forests- Our Lifeline

14 pages

Class 8

NCERT Textbook: Crop Production & Management

16 pages

NCERT Textbook: Coal & Petroleum

8 pages

NCERT Textbook: Microorganisms - Friend & Foe

15 pages

NCERT Textbook: Synthetic Fibers & Plastics

12 pages

NCERT Textbook: Cell- Structure & Functions

10 pages

NCERT Textbook: Combustion & Flame

13 pages

NCERT Textbook: Materials - Metals & Non-Metals

12 pages

NCERT Textbook: Reproduction in Animals

13 pages

NCERT Textbook: Reaching the Age of Adolescence

14 pages

NCERT Textbook: Friction

11 pages

NCERT Textbook: Sound

15 pages

NCERT Textbook: Chemical Effects of Electric Current

12 pages

NCERT Textbook: Some Natural Phenomena

15 pages

NCERT Textbook: Light

18 pages

NCERT Textbook: Stars & the Solar System

24 pages

NCERT Textbook: Conservation of Plants & Animals

13 pages

NCERT Textbook: Force & Pressure

19 pages

NCERT Summary

NCERT Summary: Summary of Physics- 1

10 pages

NCERT Summary: Summary of Physics- 2

27 pages

NCERT Summary: Summary of Physics- 3

14 pages

NCERT Summary: Summary of Chemistry- 1

17 pages

NCERT Summary: Summary of Chemistry - 2

13 pages

NCERT Summary: Summary of Chemistry - 3

14 pages

NCERT Summary: Summary of Chemistry- 4

12 pages

NCERT Summary: Summary of Chemistry- 5

7 pages

NCERT Summary: Summary of Biology - 1

12 pages

NCERT Summary: Summary of Biology- 2

11 pages

NCERT Summary: Summary of Biology - 3

10 pages

NCERT Summary: Summary of Biology- 4

15 pages

NCERT Summary: Summary of Biology- 5

14 pages

NCERT Summary: Summary of Biology - 6

18 pages

NCERT Summary: Summary of Biology- 7

16 pages

NCERT Summary: Summary of Biology - 8

18 pages

NCERT Summary: Summary of Biology - 9

17 pages

NCERT Summary: Summary of Biology - 10

9 pages

NCERT Summary: What, Why & How

28 pages

Topic-wise UPSC Mains Questions

GS3 PYQ (Mains Answer Writing): Biotechnology

4 pages

GS3 PYQ (Mains Answer Writing): Blue LED's for Nobel Prize

1 page

GS3 PYQ (Mains Answer Writing): Nanotechnology

2 pages

GS3 PYQ (Mains Answer Writing): Agriculture and Technology

2 pages

GS3 PYQ (Mains Answer Writing): Technological Advancement

3 pages

GS3 PYQ (Mains Answer Writing): Energy Generation

3 pages

GS3 PYQ (Mains Answer Writing): Contributions of Sir M. Visvesvaraya and Dr. M. S. Swaminathan

3 pages

GS3 PYQ (Mains Answer Writing): Space Technology

7 pages

GS3 PYQ (Mains Answer Writing): Bose-Einstein Statistics

1 page

GS3 PYQ (Mains Answer Writing): Biotechnology

5 pages

GS3 PYQ (Mains Answer Writing): Nuclear Energy

3 pages

GS3 PYQ 2017 (Mains Answer Writing): Nuclear Energy

1 page

GS3 PYQ (Mains Answer Writing): Unmanned Space Missions

1 page

GS3 PYQ (Mains Answer Writing): Stem Cell Therapy

1 page

GS3 PYQ (Mains Answer Writing): Achievements in Space Technology

3 pages

GS3 PYQ (Mains Answer Writing): Nanotechnology

1 page

GS3 (Mains Answer Writing): Biotechnology

1 page

GS3 (Mains Answer Writing): Blue LEDs

1 page

Science & Technology for UPSC CSE

90 videos|490 docs|209 tests

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Revision notes for Science & Technology for UPSC CSE 2025 is part of UPSC CSE exam preparation. The notes have been prepared according to the UPSC CSE exam syllabus. The revision notes, tests & MCQs are made for UPSC CSE 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.

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