Q. Two plane mirrors are parallel to each other and spaced 20 cm apart. An object is kept in between them at 15 cm from A. Out of the following at which point(s) image(s) is/are not formed in mirror A (distance measured from mirror A) :
(A) 15 cm (B) 25cm (C) 45 cm (D) 55 cm
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in 25cm the image will not be formed maybe
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Hlo Nikita
Image will not be formed on mirror A when object is kept at a distance of B)25 cm
C)45cm
D)55cm
This is because it is given that the distance between the mirrors is 15cm. So when you will keep the object at A) 15cm then the object is in front of mirror A so its image will be formed on mirrorA . But when you keep the object at 25,45 or55 cm then the object will not be in front of mirror A. It will be in front of mirror B. So it's image will not get formed on mirror A
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