1.

Explain with the help of a diagram, why a pencil partly immersed in water appears to be bent at the water surface.

Answer»

SOLUTION :A pencil ABC partly IMMERSED in WATER appears to be bent at the water SURFACE as shown in the Fig. 11.14. It is on account of bending of light ray away from the normal when refraction of light takes place from water (optically denser medium) to air (optically RARER medium).


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