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Question
The person looks at the image of two parallel finite length lines PQ and RS in a convex mirror (see figure).
Which of the following represents schematically the image correctly? (Note : Letters P,Q,R and S are used only to denote the endpoints of the lines.)
The person looks at the image of two parallel finite length lines PQ and RS in a convex mirror (see figure).
Which of the following represents schematically the image correctly? (Note : Letters P,Q,R and S are used only to denote the endpoints of the lines.)
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Solution
The correct option is B B
Since, the lines PQ and RS are parallel to each other as well as the principal axis of the convex mirror. So the convex mirror will focus the parallel ray at its focus and thus both the initially parallel lines appear to be converged after reflection. Also, since the point P and R are nearer to the mirror before reflection than points Q and S, so the points P and Q will remain nearer to the mirror in their images also as shown in figure B.
Since, the lines PQ and RS are parallel to each other as well as the principal axis of the convex mirror. So the convex mirror will focus the parallel ray at its focus and thus both the initially parallel lines appear to be converged after reflection. Also, since the point P and R are nearer to the mirror before reflection than points Q and S, so the points P and Q will remain nearer to the mirror in their images also as shown in figure B.
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