Name the lens which always forms a neutral image of an object? What is the focal length of a plane glass plate? What type of lens is an air bubble inside the water ?
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The lens which always forms a neutral image of an object is a plane mirror.The focal length of a plane glass plate is infinite.The type of lens used in an air bubble inside water is convex lens.
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IN PLANE MIRROR ALWAYS FORMS A NEUTRAL IMAGE OF AN OBJECT . THE FOCAL LENGTH OF PLANE GLASS PLATE IS INFINITY.CONCAVE LENS IS AN AIR BUBBLE INSIDE THE WATER.
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