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A glass slab (mu=1.5) of thickness 6 cm ...

A glass slab `(mu=1.5)` of thickness 6 cm is placed over a paper. What is the shift in the letters?

A

`2/3` cm

B

`4/3` cm

C

`1/3` cm

D

`5/3` cm

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The correct Answer is:
A
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