a pole of height 4m is placed at a dis of 2m from a vertical plain mirror of height 2m.the lower point of the mirror is at a did of 6m above the ground .upto what minimum and maximum height a man can see the image of the top of the pole at  a dis of 4m along the same horizontal line passing through the pole and the horizontal point below the mirror

i hav attachd the diagram of the question below, ....... NW we can find the max & min height easily.......

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