JEE Main 2021MathematicsParabolaQuestion Based On Basic Definition And Parametric RepresentationeasyMCQ

JEE Main 2021Parabola 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

JEE Main 2021 (Online) 31st August Morning Shift Mathematics - Parabola Question 74 English Explanation

V Vertex

F focus

VF = S R

So, latus rectum = 4(S R)

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About this question

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.