Introduction to Trigonometry class 10 notes by Shobhit Nirman.
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Class 10 Reflection and refraction free notes by Shobhit Nirwan.
Introduction to Light – Reflection & Refraction Light: Definition Light is a form of energy that enables us to see things. Light starts from a source and bounces off objects which are perceived by our eyes and our brain processes this signal, which eventually enables us to see.
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