Q93.If one of the lines of my2 + (1 −m2)xy −mx2 = 0 is a bisector of the angle between the lines xy = 0 , then m is JEE Main 2007 JEE Main Previous Year Paper (1) −1/2 (2) −2 (3) 1 (4) 2
What This Question Tests
This question tests the understanding that if a given equation represents a pair of lines, then substituting the equation of one of those lines into the given equation must satisfy it. It specifically uses the angle bisectors of the coordinate axes.
Concepts Tested
Formulas Used
Angle bisectors of xy=0 are y=x and y=-x
Substitution method to check if a line is part of a pair of lines
📚 NCERT Sections This Tests
2.1 — Two Charges 5 × 10–8 C And –3 × 10–8 C Are Located 16 Cm Apart. At
Physics Class 11 · Chapter 2
2.1 Two charges 5 × 10–8 C and –3 × 10–8 C are located 16 cm apart. At what point(s) on the line joining the two charges is the electric potential zero? Take the potential at infinity to be zero.
9.15 — Apply Mirror Equation And The Condition:
Physics Class 12 · Chapter 9
9.15 Apply mirror equation and the condition: (a) f < 0 (concave mirror); u < 0 (object on left) (b) f > 0; u < 0 (c) f > 0 (convex mirror) and u < 0 (d) f < 0 (concave mirror); f < u < 0 to deduce the desired result.
4.4 — A Horizontal Overhead Power Line Carries A Current Of 90 A In East To
Physics Class 11 · Chapter 4
4.4 A horizontal overhead power line carries a current of 90 A in east to west direction. What is the magnitude and direction of the magnetic field due to the current 1.5 m below the line?
📋 Question Details
- Chapter
- Straight Lines
- Topic
- Pair of Straight Lines, Angle Bisectors
- Year
- 2007
- Shift
- Unknown
- Q Number
- Q93
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 10: Straight Lines
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