VECTORS (FOR CLASS 11-Physics and Mathematics

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Dispersion and refraction of Light through the PRISM(Including Video)

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Ray Optics   Table of Content Refraction through a Prism Refraction through a Prism for Small Angle of incidence Dispersion ​Reason for Dispersion Refraction through a Prism Solved Problems Related Resources Refraction through a Prism A prism is a wedge-shaped body made from a refracting medium bounded by two plane faces inclined to each other at some angle.  The two plane faces are called are the  refracting faces  and the angle included between these two faces is called the  angle of prism  or the  refracting angle . In the  below  figure (1), ABC represents the principal section of a glass-prism having ∠A as its refracting angle. A ray KL is incident on the face AB at the point F where N 1 LO is the normal and ∠i 1  is the angle of incidence. Since the refraction takes place from air to glass, therefore, the refracted ray LM bends toward the normal such that ∠r 1  is the angle of refraction. If µ be the refractive index of glass with respect to air, then µ = sin i/sin r     (By Snel
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LIMITING REAGENT

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BOOK FREE CLASS COMPETITIVE EXAMS BNAT Classes CBSE NCERT Solutions Commerce ICSE IAS JEE NEET State Boards Government Exams Kids Learning Academic Questions Online Tuition Full Forms CAT SUCCESS STORIES +9192435 What is Limiting Reagents? The reactant that is entirely used up in a reaction is called as limiting reagent. Limiting reagents are the substances that are  completely consumed in the completion of a chemical reaction.  They are also referred to as limiting agents or limiting reactants. According to the  stoichiometry  of chemical reactions, a fixed amount of reactants is required for the completion of the reaction. Let us consider the following reaction of formation of ammonia: 3H 2  + N 2  → 2NH 3 In the reaction given above, 3 moles of Hydrogen gas are required to react with 1 mole of  nitrogen gas  to form 2 moles of ammonia. But what if, during the reaction, only 2 moles of hydrogen gas are available along with 1 mole of nitrogen. In that case, the entire quantity of nitr
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