Get CBSE Notes for Class 10 Science – 10. Light-Reflection and Refraction: Refraction of light. Clear, exam-focused notes with key concepts, formulas & solved examples.
CBSE Notes for Class 10 Science chapter 10. Light-Reflection and Refraction: Refraction of light, quick revision notes for Class 10 Science chapter 10. Light-Reflection and Refraction Refraction of light, Chapter-wise CBSE Revision Notes, CBSE Notes PDF Free Download, CBSE One Liner Notes Class 10, Half Yearly Revision Notes, CBSE Revision Notes Class 10 Science
Get CBSE Notes for Class 10 Science Chapter 10. Light-Reflection and Refraction: Refraction of light prepared by experts as per the latest NCERT syllabus and CBSE exam pattern. These concise and easy-to-understand notes cover important definitions, formulas, diagrams, and key concepts from the chapter to help students in quick revision and effective exam preparation. Whether you are studying for school tests, board exams, or competitive exams, these notes provide a reliable study resource. Designed in simple language with point-wise explanations, they save time and enhance learning efficiency. Download free PDF notes, explore solved examples, and strengthen your understanding of [Topic Name] for scoring high marks. Perfect for Class 10 students who want clear, structured, and exam-oriented notes for CBSE Science.
Chapter 10. Light-Reflection and Refraction
Refraction of light:
When a ray of light enters from one transparent medium to another transparent medium it changes its direction or it bends. This bending of light path is called refraction of light.
The refraction of light only takes place through transparent materials like glass, air and water etc.
There are two situation of this bending.
(i) When a ray of light enters from rarer medium to denser medium it bends towards the normal.
(ii) When a ray of light enters from denser medium to rarer medium it bends away from normal.
Cause of the refraction of light: The refraction of light occurs due to changing in speed of light it enter on transparent medium to another.
The Law of refraction:
The following are the laws of refraction of light:
(i) The incident ray, the refracted ray and the normal to the interface of two transparent media at the point of incidence, all lie in the same plane.
(ii) The ratio of sine of angle of incidence to the sine of angle of refraction is a constant, for the light of a given colour and for the given pair of media. This law is also known as Snell’s law of refraction.
Snell's Law: The ratio of sine of angle of incidence to the sine of angle of refraction is a constant, for the light of a given colour and for the given pair of media. This law is also known as Snell’s law of refraction.
Denser Medium: The medium which has greater refractive index is called dender medium. The particles of this medium is denser.
Rarer Medium: The medium which has smaller refractive index is called rarer medium.
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