Ray Optics

JEE Main level, single correct, medium

211 of 295

Question 211 of 295

A student measures the focal length of convex lens by putting an object pin at a distance 'u' from the lens and measuring the distance ' vv ' of the image pin. The graph between ' uu ' and ' vv ' plotted by the student should look like

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Answer: (C)

1v−1u=1f= constant \frac{1}{v}-\frac{1}{u}=\frac{1}{f}=\text { constant }

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JEE Main 2025 Apr 2 Shift 1 question paper

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JEE Main Physics practice question on Ray Optics (Lens Formula, Refraction of light from curved surface), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.