JEE Main 2021 — Parabola Question with Solution
From: JEE Main 2021 (Online) 31st August Morning Shift
Question
The length of the latus rectum of a parabola, whose vertex and focus are on the positive x-axis at a distance R and S (> R) respectively from the origin, is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C4(S R)
Step-by-step explanation

V Vertex
F focus
VF = S R
So, latus rectum = 4(S R)
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This is a previous-year question from JEE Main 2021, covering the Parabola chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.