Q68.The line parallel to x-axis and passing through the point of intersection of lines ax + 2by + 3b = 0 and bx −2ay −3a = 0, where (a, b) ≠(0, 0) is (1) above x-axis at a distance 2/3 from it (2) above x-axis at a distance 3/2 from it (3) below x-axis at a distance 3/2 from it (4) below x-axis at a distance 2/3 from it
What This Question Tests
The problem involves finding the point of intersection of two linear equations and then determining the equation of a line parallel to the x-axis passing through that point, which means identifying the y-coordinate of the intersection.
Concepts Tested
Formulas Used
For point of intersection, solve system of equations
Equation of line parallel to x-axis: y=k
📚 NCERT Sections This Tests
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2.3 Two charges 2 mC and –2 mC are placed at points A and B 6 cm apart. (a) Identify an equipotential surface of the system. (b) What is the direction of the electric field at every point on this surface?
2.1 — Two Charges 5 × 10–8 C And –3 × 10–8 C Are Located 16 Cm Apart. At
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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.
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4.7 Two long and parallel straight wires A and B carrying currents of 8.0 A and 5.0 A in the same direction are separated by a distance of 4.0 cm. Estimate the force on a 10 cm section of wire A.
📋 Question Details
- Chapter
- Straight Lines
- Topic
- Point of intersection of lines
- Year
- 2012
- Shift
- 26 May Online
- Q Number
- Q68
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 10: Straight Lines
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