Answers

2016-03-06T16:19:00+05:30
When wave enter in denser medium from rare medium it bends toward the normal and thats why the picture is like so

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2016-03-06T16:28:56+05:30
As we see in the picture as the light ray goes from denser medium to rarer medium..the refraction of the light takes place....and the image appears to be bent
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