when lights enters a closed room through a small hole in the door, the image of an outside building appears as inverted on the opposite wall. this is because??
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This phenomenon is because of rectilinear propagation of light. The rectilinear propagation of light means that light travels in straight lines as a wave. The wave travels, some part of it gets refracted, due to which only a part of building is formed as the image.
Another reason might be that the hole in the door is fixed with a convex lens. A convex lens forms a real and inverted image of an object at infinity.
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