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Chapter 15 of 32
Formula Sheet

Light Energy — Formula Sheet

NIOS · Class 10 · Science & Tech

8 formulas from Light Energy (NIOS Class 10 Science & Tech) on one page, grouped by topic. Part of the NIOS Class 10 Science & Tech syllabus.

41 questions38 flashcards8 formulas & key relations5 concepts

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Ray diagrams showing image formation by a convex mirror for two object positions: at infinity and at a finite distance from the mirror. Each diagram should clearly show the object, mirror, principal a
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8 Entries · 2 Sections

Formulas and Key Relations

1. Basics of Light and Reflection

 i =  r

R = 2f

M = I/O = v/u

1/f = 1/v + 1/u

n  about speed of light in vacuum / speed of light in medium

3. Refraction of Light and Lenses

n  speed of light in vacuum / speed of light in medium

n  sin i / sin r

P = 1/f(m)

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Frequently Asked Questions

What are the important topics in Light Energy for NIOS Class 10 Science & Tech?
Key topics in Light Energy include Reflection of Light, Plane Mirror and Image Properties, Spherical Mirrors, Refraction of Light and Refractive Index. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How many formulas are in Light Energy?
This sheet lists 8 formulas from Light Energy, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Light Energy for the NIOS Class 10 board exam?
Learn the core ideas first, then work through the 41 practice questions on Light Energy. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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