A light ray gets reflected from the . If the reflected ray touches the circle and point of incident is , then equation of incident ray is |
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a) |
b) |
c) |
d) |

A light ray gets reflected from the . If the reflected ray touches the circle and point of incident is , then equation of incident ray is |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(a)**

Any tangent of is if it passes through then

Hence, slope of reflected ray is

Thus, equation of incident ray is i.e.

127 votes

127