Write the mirror image of the point (-3,-1) on Y-axis
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after reflection on y axis the mirror image will be (3 , -1)
pala24:
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Answer:
The mirror image point of (-3,-1) on Y-axis will be (3,-1).
Step-by-step explanation:
- Image by plane mirror has the following characteristics:
(1) The image should be behind the mirror.
(2) Distance between mirror and object = distance between mirror and image.
(3) Image must be erect.
(3) Lateral inversion occurs in image.
- If we put a plane mirror on Y-axis then the value along Y-axis will be fixed because of erectness. In image y' = -1 as the original point was.
- Original point x = -3 , in mirror image the value of 'x' will remain same but the sign will change, so x' = +3.
- The mirror image point = (x',y') = (3,-1)
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