{"id":196107,"date":"2022-06-18T08:00:24","date_gmt":"2022-06-18T02:30:24","guid":{"rendered":"https:\/\/www.aakash.ac.in\/blog\/?p=196107"},"modified":"2023-04-09T16:57:59","modified_gmt":"2023-04-09T11:27:59","slug":"jee-main-physics-previous-year-questions-with-solutions","status":"publish","type":"post","link":"https:\/\/www.aakash.ac.in\/blog\/jee-main-physics-previous-year-questions-with-solutions\/","title":{"rendered":"JEE Main Physics Previous Year Questions With Solutions"},"content":{"rendered":"

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\nJEE Mains is a PAN India level exam, and if you dream of qualifying for it, you have to be the best with your preparations. It comprises three sections: Physics, <\/span>Chemistry<\/span>, and <\/span>Mathematics<\/span>. And, it is necessary to attempt all three sections if you want to be enlisted as one of the toppers.<\/span><\/p>\n

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To ensure that you are preparing on the right track, check your preparations for each section separately. This article aims to help you out with your practices. Here are some important Physics questions with solutions from the previous years’ <\/span>JEE Mains exam<\/span><\/a> papers. Have a look.<\/span><\/p>\n

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Important Physics Questions with Solutions from <\/b>JEE Mains Previous Years\u2019 Papers<\/b><\/a><\/h4>\n

1. A Plano-convex lens with a refractive index of one and a focal length f<\/span>1<\/span> and a Plano concave lens with a refractive index of two and focal length f<\/span>2<\/span> are in proximity. If the radius of curvature of spherical faces of both lenses is R each and f<\/span>1<\/span> = 2f<\/span>2<\/span>, what is the relation between <\/span>1<\/span> and <\/span>2<\/span>?<\/span><\/p>\n

1f2 – 1f1 = (2- 1)(1 – 1-R)<\/p>\n

1<\/span>f<\/span>2<\/span> = (<\/span>2<\/span>– 1)(<\/span>1<\/span>-R<\/span> – <\/span>1<\/span>)<\/span><\/p>\n

(<\/span>1<\/span>– 1)<\/span>R<\/span> = <\/span>(<\/span>2<\/span>– 1)<\/span>2R<\/span><\/p>\n

2<\/span>1<\/span>– <\/span>2<\/span>= 1<\/span><\/p>\n

Therefore, the required relation is 2<\/span>1<\/span>– <\/span>2<\/span>= 1.<\/span><\/p>\n

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