Two plane mirrors are placed parallel to each other. A man is standing at the mid-point of the distance between these two mirrors. Find the number of images formed. (Mirrors are kept symmetrically) [Distance between mirror is 100 cm]

Zero

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Infinite

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Can't be determined

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Solution

The correct option is C
Infinite

If θ = $0^{\circ}$ i.e. mirrors are parallel to each other, n = ∞ i.e. infinite images will be formed.

If the two mirrors are very long then we can see that each reflection produces one image and there will be infinite reflections and hence, infinite images will be formed.

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