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a light source placed at the bottom of a water beaker 10 cm deep forms an illuminated circle of radius 11.3cm at uts surface. if the depth of the water in the beaker is increased to 20cm the radius of the illuminated circle will be

Answer» a light source placed at the bottom of a water beaker 10 cm deep forms an illuminated circle of radius 11.3cm at uts surface. if the depth of the water in the beaker is increased to 20cm the radius of the illuminated circle will be


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