Explain with the help of diagram , why a pencil partly immersed in water appears to be bent at water surface.
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⏩A stick or a pencil half immersed in water at an angle appears bent due to refraction of light at the air-water surface. ... The two refracted ray CX and DY, when produced backward, appear to meet at point I, nearer to the water surface than O. Similarly each part of the immersed portion of the stick raised....
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A stick or a pencil half immersed in water at an angle appears bent due to refraction of light at the air-water surface. ... The two refracted ray CX and DY, when produced backward, appear to meet at point I, nearer to the water surface than O. Similarly each part of the immersed portion of the stick raised.
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