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LIGHT
NOTES What makes things visible? We can see the world through our eyes or our sense of sight. However, we cannot see anything without the l...
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NOTES Source of light: An object which emits light, is called a source of light. For example, sun, torch, etc. Non-luminous objects: Thes...
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Human eye and the colourful world. As you all know, light is important for us as it enables us to see . Likewise, eye is very important as...
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NOTES Deforestation Clearing of forests and trees eventually using that land for other purposes like agriculture and other human activities...
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