VERNIER CALIPERS_CLUB SCIENCE_GHSS Tirurangadi

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CONVEX LENS Convex lens is thicker at the centre and thinner at the edges. An optical lens is generally made up of two spherical surfaces. If those surfaces are bent outwards, the lens is called a  biconvex lens  or simply convex lens. These type of lenses can converge a beam of light coming from outside and focus it to a point on the other side. This point is known as the focus and the distance between the centre of the lens to the focus is called the  focal length of convex lens.  However, if one of the surfaces is flat and the other convex, then it is called a  plano-convex lens. Difference between convex and concave lens: There is another type of lens known as concave lens. The major differences between the two are: CONVEX CONCAVE This lens converges a straight beam of light. This lens diverges a straight beam of light. This lens is thicker at the centre and gets thinner as we move towards the edges. This lens is thi...
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MATHEMATICS

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Mathematics is the study of topics such as number, quantity, space, structure and change. Mathematics is applied in many real world tasks, overlapping with fields of scientific research, analysis and engineering. Numbers talks about how things can be counted. Structure is about how things are organized and this subfield is usually called algebra. Place is about where things are and their arrangement and this subfield is usually called geometry. Change is about how things become different and this subfield is usually called analysis. Mathematics is useful for solving problems that occur in the real world, so many people besides mathematicians study and use mathematics. Some amount of mathematics is needed in almost all jobs. Logic and reasoning are used by mathematicians to create general rules, which are an important part of mathematics. These rules leave out information that is not important so that a single rule can cover many situations. By finding general rules, mathematics sol...
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