Notes
In Case Apparent Shift of an Object due to Refraction…
In Case Apparent Shift of an Object due to Refraction –Case I : If μ2 > μ1,
i.e. observer is in denser medium. Then, shift becomes negative, image distance > object distance, i.e. image is further from the refracting surface,
Case II : If μ2 < μ1,
i.e. observer is in rarer medium. Then, shift becomes positive, image distance < object distance, i.e. image is closer to the refracting surface,
Case III : If μ2 = 1 and μ1 = μ [Apparent shift
= Real depth (1 – 1/μ)]
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