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Reflection of light at curved surfaces

Telangana Board · Class 10 · Physical Sciences

Quick revision notes for Reflection of light at curved surfaces — Telangana Board Class 10 Physical Sciences. Key concepts, formulas, and definitions for last-minute revision.

44 questions34 flashcards5 concepts

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Key Topics to Revise

1

1. Basic ideas and terms

  • A spherical mirror is a mirror with a curved reflecting surface.
  • A concave mirror is bent inwards and acts as a converging mirror.
  • A convex mirror is bent outwards and acts as a diverging mirror.
2

2. Image formation by concave mirror

  • A concave mirror forms different images at different object positions.
  • Object beyond C gives a real, inverted, diminished image between F and C.
  • Object at C gives a real, inverted, same-size image at C.
3

3. Sign convention and mirror formula

  • All distances should be measured from the pole.
  • Distances measured in the direction of incident light are positive.
  • Distances measured opposite to the direction of incident light are negative.
4

4. Numerical example and calculation method

  • An object 4 cm in size is placed 25 cm in front of a concave mirror of focal length 15 cm.
  • Under sign convention, f = -15 cm and u = -25 cm.
  • Using the mirror formula gives v = -37.5 cm.

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Full Notes

Key Concepts

A spherical mirror is a mirrorThe pole is the geometrical centreFor a concave mirrorThe radius of curvature isA real image is formed by

Frequently Asked Questions

What are the important topics in Reflection of light at curved surfaces for Telangana Board Class 10 Physical Sciences?
Reflection of light at curved surfaces covers several key topics that are frequently asked in Telangana Board Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Reflection of light at curved surfaces — Telangana Board Class 10 Physical Sciences?
Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and 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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