append appears to be raised when a glass slab is placed over it
ayeshasiddiqa16:
this is because of real and apparent depth..!
Thank you
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hey I think the question is incomplete..! check it out
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When we keep the glass slap over some
printed matter,the light coming from the
letter (after reflection) face change of medium at glass air interface since glass has more refractive index then air,
the light bends away from the normal as it goes out of glass this apparently causes us to see the letters raised
I hope it help you
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