Download the latest CBSE Class 10 Science Light Reflection And Refraction Notes Set B in PDF format. These Class 10 Science revision notes are carefully designed by expert teachers to align with the 2025-26 syllabus. These notes are great daily learning and last minute exam preparation and they simplify complex topics and highlight important definitions for Class 10 students.
Chapter-wise Revision Notes for Class 10 Science Chapter 9 Light Reflection and Refraction
To secure a higher rank, students should use these Class 10 Science Chapter 9 Light Reflection and Refraction notes for quick learning of important concepts. These exam-oriented summaries focus on difficult topics and high-weightage sections helpful in school tests and final examinations.
Chapter 9 Light Reflection and Refraction Revision Notes for Class 10 Science
Mirror formula for spherical mirrors :-
The mirror formula for spherical mirrors is the relationship between the object distance (u), image distance (v) and focal length (f). The mirror formula is expressed as :-
1/v + 1/u = 1/t
Magnification for spherical mirrors:-
Magnification for spherical mirrors is the ratio of the height of the image to the height of the object.
Magnification = Height of the image / Height of the object
i.e. m = hi / ho
The magnification is also related to the object distance and image distance. It is expressed as :-
M = hi / ho = – (v / u)
The position of the image for various positions of the object for a concave mirror is as shown in the table below. The table also shows the use of the mirror for different positions of the object.
The position of the image for various positions of the object for a convex mirror is as shown in the table below. The table also shows the use of the mirror for different positions of the object.
Image formation by a concave lens.
Power of Lens: The degree of convergence or divergence of light rays achieved by a lens is called power of lens. S.I. unit of power of lens is dioptre.
Formula P =1/f where f is the focal length
Power of convex lens is positive and power of concave lens is negative.
Assertion and Reason Type Questions
Refractive indices of kerosene, turpentine and water are 1.44, 1.47 and 1.333 respectively. Through which of these media, light travels fast? Explain.
Speed of light in a madium = c/n = 3 x 108 ms-1 / n
Since, refractive index of water (1.333) is less than the refractive indices of kerosene and turpentine, so light travels faster in water than in kerosene and turpentine.
Refractive indices of media A, B, C and D are given below:
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Important Practice Resources for Class 10 Science
CBSE Class 10 Science Chapter 9 Light Reflection and Refraction Notes
Students can use these Revision Notes for Chapter 9 Light Reflection and Refraction to quickly understand all the main concepts. This study material has been prepared as per the latest CBSE syllabus for Class 10. Our teachers always suggest that Class 10 students read these notes regularly as they are focused on the most important topics that usually appear in school tests and final exams.
NCERT Based Chapter 9 Light Reflection and Refraction Summary
Our expert team has used the official NCERT book for Class 10 Science to design these notes. These are the notes that definitely you for your current academic year. After reading the chapter summary, you should also refer to our NCERT solutions for Class 10. Always compare your understanding with our teacher prepared answers as they will help you build a very strong base in Science.
Chapter 9 Light Reflection and Refraction Complete Revision and Practice
To prepare very well for y our exams, students should also solve the MCQ questions and practice worksheets provided on this page. These extra solved questions will help you to check if you have understood all the concepts of Chapter 9 Light Reflection and Refraction. All study material on studiestoday.com is free and updated according to the latest Science exam patterns. Using these revision notes daily will help you feel more confident and get better marks in your exams.
You can download the teacher prepared revision notes for CBSE Class 10 Science Light Reflection And Refraction Notes Set B from StudiesToday.com. These notes are designed as per 2025-26 academic session to help Class 10 students get the best study material for Science.
Yes, our CBSE Class 10 Science Light Reflection And Refraction Notes Set B include 50% competency-based questions with focus on core logic, keyword definitions, and the practical application of Science principles which is important for getting more marks in 2026 CBSE exams.
Yes, our CBSE Class 10 Science Light Reflection And Refraction Notes Set B provide a detailed, topic wise breakdown of the chapter. Fundamental definitions, complex numerical formulas and all topics of CBSE syllabus in Class 10 is covered.
These notes for Science are organized into bullet points and easy-to-read charts. By using CBSE Class 10 Science Light Reflection And Refraction Notes Set B, Class 10 students fast revise formulas, key definitions before the exams.
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