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Karnataka Board Class 10 Science — Formula Sheet

Karnataka Board Class 10 Science formula sheet, chapter by chapter — 5 formulas across 2 chapters. Starts with Electricity and Light – Reflection.

How to Use the Formula Sheet

  1. Write, don't just read — writing each formula out helps it stick.
  2. Understand the derivation — you can rebuild a formula you half-remember.
  3. Group related formulas — link the ones that build on each other.
  4. Test yourself — cover the sheet and write the formulas from memory.

Chapter-Wise Formulas — 2 Chapters

9

Electricity

2 entries
Ohm's law states V ∝ I at constant temperature
In series circuits, components are connected end-to-end, so current remains same but voltage divides (V = V₁ + V₂ + V₃, Rs = R₁ + R₂ + R₃).
The full Electricity formula sheet
10

Light – Reflection and Refraction

3 entries
The relationship 1/v + 1/u = 1/f connects object distance (u), image distance (v), and focal length (f).
When light passes from one medium to another, it bends according to Snell's law: sin i/sin r = constant (refractive index).
The ratio of speed of light in vacuum (or air) to speed in the medium, expressed as n = c/v.
The full Light – Reflection and Refraction formula sheet

Get chapter-wise help for Karnataka Board Class 10 Science

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Frequently Asked Questions

Where can I find Karnataka Board Class 10 Science Formula Sheet?

This page has formula sheet for 2 chapters of Karnataka Board Class 10 Science for the board exams 2027. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Learn the formulas you use most first, and understand what each symbol means so you can apply them. Knowing where a formula comes from helps you rebuild it if you forget it in the exam.

Browse Formula Sheet by Chapter

2 chapters

9

Electricity

10

Light – Reflection and Refraction

More Science Resources

Karnataka Board Class 10

Practice Quiz

Test yourself with quick quizzes

Important Questions

Exam-style questions with answers

Revision Notes

Key concepts and quick revision points

Chapter Summary

Understand each chapter at a glance

Concept Maps

Diagrams showing how topics connect

Study Plan

Week-by-week preparation schedule

Flashcards

Quick-fire cards for active recall practice

Syllabus

Chapter list and the topics in each

Other Karnataka Board Class 10 Subjects

Mathematics