What is the main purpose of the periscope in the situation above?, To reflect light back towards the tree, To see over the high wall, To make the tree appear larger, To see through the wall, What is the angle of the mirrors inside the periscope?, 45 degrees, 30 degrees, 60 degrees, 90 degrees, How does the periscope work?, By bending light using lenses, By making the tube transparent, By reflecting light using two mirrors, By using a camera and a screen, What is the correct path of the light rays from the tree?, Light goes into the top mirror, and disappears and then new light comes from the bottom mirror., Light travels straight through the tube to the observer’s eye., Light hits the bottom mirror (M2) first, then the top mirror (M1)., Light hits the top mirror (M1), reflects to the bottom mirror (M2), and then to the eye.

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