# Parabola Class Test (Mains Batch)

May 19th, 2015
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Q1. The tangent to the parabola is inclined at with the axis of the parabola. The point of contact is Q2. The vertex of the parabola whose focus is (-1,1) and directrix is is Q3. A ray of light moving along the line y=2 gets reflected by a concave parabolic mirror whose equation is . The reflected ray meets the parabola again at Q. The coordinates of Q are

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Parabola Class Test (Mains Batch)Q1. The tangent to the parabola is inclined at with the axis of the parabola. The point of contact is A) B) C) D) Q2. The vertex of the parabola whose focus is (-1,1) and directrix is isA) B) C) D) Q3. A ray of light moving along the line y=2 gets reflected by a concave parabolic mirror whose equation is. The reflected ray meets the parabola again at Q. The coordinates of Q areA) (64, 32)B) (64, -32)C) (32, -64)D) (32, -32)Q4. The value of for which the equation represents a parabola is A) 1

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