JEE Main 2017 — Circle Question with Solution
From: JEE Main 2017 (Online) 8th April Morning Slot
Question
If two parallel chords of a circle, having diameter 4units, lie on the opposite sides of the center and subtend angles and sec1 (7) at the center respectivey, then the distance between these chords, is :
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Since cos2 = 1/7 2 cos2 Q 1 = 1/7
2 cos2 = 8/7
cos2 = 4/7
cos2 =
cos2 =
Also, sec2 = 7 = 7
= cos2 1 =
= 2 cos2 =
= cos =
P1P2 = r cos + r cos
= =
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This is a previous-year question from JEE Main 2017, covering the Circle 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.