CBSE Class 12-science Answered
Prove that apparent depth is ¾ of real depth.
Asked by Topperlearning User | 20 May, 2014, 03:32: PM
Expert Answer
In figure OA passes straight along OAA’. Another ray of light from O incident at angle i on XY along OB deviates away from normal. It gets refracted at angle r along BC. When we produce back BC meets OA at I. Hence it’s the virtual image of O. Hence AI is the apparent depth and AO is the real depth.
Refractive index of water with respect to air is 4/3
Answered by | 20 May, 2014, 05:32: PM
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