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Statement 1: If straight line x= 8 meets the parabola y 2 = 8x at P & Q then PQ subtends a right angle at the origin. Statement 2: Double ordinate equal to twice of latus rectum of a parabola subtends a right angle at the vertex. (a) Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1. (b) Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1 (c) Statement-1 is True, Statement-2 is false (d) Statement-1 is False, Statement-2 is true



Statement 1: If straight line x= 8 meets the parabola y2 = 8x at P & Q then PQ subtends a right angle at the origin.


Statement 2: Double ordinate equal to twice of latus rectum of a parabola subtends a right angle at the vertex.


(a)       Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.


(b)       Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1


(c)        Statement-1 is True, Statement-2 is false


(d)       Statement-1 is False, Statement-2 is true


Grade:10

2 Answers

Sunil Kumar
askIITians Faculty 183 Points
7 years ago

Statement 2 is the correct explainnation for statement one 

So the answer would be : 

Option : (b) 

 

Thanks & Regards
Sunil Kumar, 
askIITians Faculty
M.Sc., IIT Kharagpur

Sunil Kumar
askIITians Faculty 183 Points
7 years ago
Option (a) is the answer, as latus rectum = 4a and here in statement 1 we see this is satisfied.

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