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A ray of light incident at the point ( -...

A ray of light incident at the point ( -2,-1) gets reflected from the tangent at ( 0,-1) to the circle `x^(2) +y^(2) =1` . The reflected ray touches the circle.The equation of the line along which the incident ray moves is `:`

A

`4x-3y+11=0`

B

`4x+3y+11=0`

C

`3x+4y+11=0`

D

none of these

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The correct Answer is:
B
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OBJECTIVE RD SHARMA ENGLISH-CIRCLES-Chapter Test
  1. Two circles, each of radius 5, have a common tangent at (1, 1) whose e...

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  2. The number of points on the circle 2(x^(2)+y^(2))=3x which are at a di...

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  3. A ray of light incident at the point ( -2,-1) gets reflected from the ...

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  4. The point on the straight line y = 2x + 11 which is nearest to the cir...

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  5. Extremities of a diagonal of a rectangle are (0, 0) and (4, 3). The eq...

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  6. The equation of the circle which has a tangent 2x-y-1= 0 at P( 3,5) on...

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  7. The angle of intersection of the circles x^(2)+y^(2)=4 and x^(2)+y^(2...

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  8. The normal at the point (3,4) on a circle cuts the circle at the poins...

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  9. The inverse point of (1, -1) with respect to x^(2)+y^(2)=4, is

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  10. A variable circle passes through the point A(a,b) and touches the x-a...

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  11. The radius of the circle r^(2)-2sqrt(2r) (cos theta + sin theta)-5=0, ...

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  12. A straight rot of length 9 units slides with its ends A,B always on th...

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  13. Find in-radius of the triangle formd by the axes and the line 4x+3y-12...

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  14. A line is at a distance 'c' from origin and meets axes in A and B. The...

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  15. The number of circles that touch all the straight lines x+y-4=0, x-y+2...

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  16. Find the number of integral values of lambda for which x^2+y^2+lambdax...

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  17. The four points of intersection of the lines (2x-y+1)(x-2y+3)=0 with t...

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  18. If 2x+3y-6=0 and 9x+6y-18=0 cuts the axes in concyclic points, then th...

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  19. The line lx+my+n=0 intersects the curve ax^2 + 2hxy + by^2 = 1 at the ...

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  20. Two circles, each of radius 5, have a common tangent at (1, 1) whose e...

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