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A rectangular block of glass ABCD has a refractive index 1.6. A pin is placed midway on the face AB (Fig. 9.4). When observed from the face AD, the pin shall 

(a) appear to be near A. 

(b) appear to be near D. 

(c) appear to be at the centre of AD. 

(d) not be seen at all.

Sarthaks Test For Class 7-12

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(d) not be seen at all.

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