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Math Help - Ray optics 2

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    Ray optics 2

    The image of the object placed 36 cm from the lens is formed at the bottom of the tank filled with water. Find the height of the water level in tank. Let the water level be h. The mirror is inclind by 45 degree with the horizontal and the mirror 's centre is separated by 100 cm from the lens.
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    :/ its been days...
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