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Formula Sheet

Human Eye and Colourful world — Formula Sheet

Telangana Board · Class 10 · Physical Sciences

8 formulas from Human Eye and Colourful world (Telangana Board Class 10 Physical Sciences) on one page, grouped by topic.

43 questions40 flashcards8 formulas & key relations5 concepts

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8 Entries · 3 Sections

Formulas and Key Relations

1. Least Distance of Distinct Vision and Angle of Vision

The least distance of distinct vision is about 25 cm and the angle of vision is about 60°.

3. Accommodation of Eye Lens

The ability of eye lens to change its focal length is called accommodation of lens.

1/f = 1/v - 1/u

(1)/(f_max) = (1)/(2.5) + (1)/(∞) => f_max = 2.5 cm

(1)/(f_min) = (1)/(2.5) + (1)/(25) = (11)/(25) => f_min = (25)/(11) = 2.27 cm

4. Defects of Vision and Correction

1/f = 1/(-D) => f = -D

1/f = -(1)/(d) + (1)/(25) = (d - 25)/(25d) => f = (25d)/(d - 25)

P = 1/f (in m); P = 100/f (in cm)

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Frequently Asked Questions

What are the important topics in Human Eye and Colourful world for Telangana Board Class 10 Physical Sciences?
Key topics in Human Eye and Colourful world include Least Distance of Distinct Vision and Angle of Vision, Structure and Working of the Human Eye, Accommodation and Focal Length of Eye Lens, Defects of Vision and Their Correction. Study these first, then practise questions on each for the Telangana Board Class 10 board exam.
How many formulas are in Human Eye and Colourful world?
This sheet lists 8 formulas from Human Eye and Colourful world, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Human Eye and Colourful world for the Telangana Board Class 10 board exam?
Learn the core ideas first, then work through the 43 practice questions on Human Eye and Colourful world. 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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