Q71.A circle passes through (−2, 4) and touches the y−axis at (0, 2). Which one of the following equations can represent a diameter of this circle ? (1) 2x −3y + 10 = 0 (2) 3x + 4y −3 = 0 (3) 4x + 5y −6 = 0 (4) 5x + 2y + 4 = 0 y2
What This Question Tests
The question assesses the ability to determine the equation of a circle given its tangency to the y-axis at a specific point and passing through another point, and then identify which given line represents a diameter.
Concepts Tested
Formulas Used
(x-h)^2 + (y-k)^2 = r^2
📚 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.
2.4 — A Spherical Conductor Of Radius 12 Cm Has A Charge Of 1.6 × 10–7C
Physics Class 11 · Chapter 2
2.4 A spherical conductor of radius 12 cm has a charge of 1.6 × 10–7C distributed uniformly on its surface. What is the electric field (a) inside the sphere (b) just outside the sphere (c) at a point 18 cm from the centre of the sphere?
2.2 — A Regular Hexagon Of Side 10 Cm Has A Charge 5 Mc At Each Of Its
Physics Class 11 · Chapter 2
2.2 A regular hexagon of side 10 cm has a charge 5 mC at each of its vertices. Calculate the potential at the centre of the hexagon.
📋 Question Details
- Chapter
- Circles
- Topic
- Equation of a circle
- Year
- 2016
- Shift
- 09 Apr Online
- Q Number
- Q71
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 11: Conic Sections
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