16:I[8216,["972","static/chunks/972-b28da0de92681928.js","47","static/chunks/47-a7f06e9eda1ac756.js","115","static/chunks/app/%5Bexam%5D/questions/%5Byear%5D/%5Bsubject%5D/%5Bchapter%5D/%5BquestionId%5D/page-7b6f0a12b9cc0206.js"],"BackButton"] 17:I[1553,["972","static/chunks/972-b28da0de92681928.js","47","static/chunks/47-a7f06e9eda1ac756.js","115","static/chunks/app/%5Bexam%5D/questions/%5Byear%5D/%5Bsubject%5D/%5Bchapter%5D/%5BquestionId%5D/page-7b6f0a12b9cc0206.js"],"QuestionViewer"] 15:T53e,{"@context":"https://schema.org","@type":"Quiz","name":"Ts Eamcet 2023 Ray Optics PYQ with Solution","url":"https://pyq-test-series-platform-alsjdcxu2-sameers-projects-41c5a71e.vercel.app/ts-eamcet/questions/2023/physics/ray-optics/m7isf044","educationalLevel":"Entrance exam preparation","about":"Ts Eamcet / Physics / Ray Optics","hasPart":{"@type":"Question","name":"Ts Eamcet 2023 Ray Optics PYQ with Solution","text":"An empty tank has concave murror as its bottom. When sunlight falls normally on the mirror, it is focussed \\mathrm{a}_2 height of 32 cm from the mirror. If the tank is filled with water upto a height of 20 cm , then the sunlight focusses at (refractive index of water =\\frac{4}{3} )","eduQuestionType":"mcq","acceptedAnswer":{"@type":"Answer","text":"B"},"comment":{"@type":"Comment","text":"Given, Image distance, v=-32 \\mathrm{~cm} Object (sun) distance, u=\\infty Tank is filled upto =20 \\mathrm{~cm} Refractive index of water =\\frac{4}{3} Using mirror formula, \\begin{aligned} & \\frac{1}{f}=\\frac{1}{v}+\\frac{1}{u} \\Rightarrow \\frac{1}{f}=\\frac{-1}{32}+\\frac{1}{\\infty} \\\\ & f=-32 \\mathrm{~cm} \\end{aligned} When water is filled upto a height ( h=20 \\mathrm{~cm} ), the image formed by mirror will acts as virtual object for water surface. The image formed by virtual object. \\begin{align..."}}}18:T559,

Given,

Image distance, $v=-32 \mathrm{~cm}$

Object (sun) distance, $u=\infty$

Tank is filled upto $=20 \mathrm{~cm}$

Refractive index of water $=\frac{4}{3}$

Ray Optics

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