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Calculiterature by Shikhar

Yes .... Heard 'Calculiterature' for the first time? Well, there is really no real word that will do justice to the way you are going to read about Calculus today .... So let's begin.... Q. What is Calculus? Calculus is that branch of Mathematics which deals with Change . Well, we can't deny of us being nothing but just a witness to all of the changes occuring around us. Our Great Philosophers always quoted 'Change is the fundamental rule of nature ' and advised us not to attach our sentiments to something temporary... Even if you're not interested in all these philosophical talks.....  You can easily see changes all-around... Our friends do get change.. Our savings and expenditures alter.. No. Of our IG followers increases, not mine though, being a dedicated Facebook user ... Or how our data pack reduces.... Though, the type of mentioned changes is different but in a nutshell 'THEY CHANGE' and to learn about changes we
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Class 10th Physics- refraction of light.

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Refraction of Light: You might have observed when any object is immersed in water; it seems to appear bigger. Similarly, when a transparent paperweight is kept on a piece of paper, the letters written on the paper appear to be bigger. How would you explain such a phenomenon? What is the reason for the increase in the size of the object in the first case and letters in the second case? The entire phenomenon can be understood using the concept of refraction of light. Refraction of light is responsible for this optical effect. Let us see what does refraction of light mean? When light rays travel from one medium to another, the direction of propagation, as well as the speed of the light rays, alter.The bending of the path of light rays when it travels from one medium to another is known as refraction of light. Though the light bends when it travels from one medium from another, still it travels in a straight path in the given medium. Also, the extent of bending of light rays depend
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