An object of length 4 cm is kept on the principal axis of a convex mirror at a distance x. Which of the following can be the size of the image formed?2 cm8 cm6 cm4 cm
Question
An object of length 4 cm is kept on the principal axis of a convex mirror at a distance x. Which of the following can be the size of the image formed?2 cm8 cm6 cm4 cm
Solution
The size of the image formed by a convex mirror is always smaller than the size of the object. This is because a convex mirror always forms a virtual, erect, and diminished image.
Given that the object is 4 cm in size, the image formed can only be smaller than 4 cm.
Therefore, out of the given options, the size of the image formed can only be 2 cm. The options 8 cm, 6 cm, and 4 cm are not possible as they are either equal to or larger than the size of the object.
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