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One face of a rectangular glass plate of...

One face of a rectangular glass plate of 8 cm thickness is silvered. An object held 10 cm in front of the unsilvered fave an image 12 cm behind the silvered face. What is the refractive index of the glass?

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`mu=1.2`
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AAKASH SERIES-RAY OPTICS-PROBLEMS ( LEVEL-II)
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  14. A ray enters a glass sphere of refractive index mu=(sqrt3) at an angle...

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  15. A hemisphere (made of material of refractive index sqrt(3) )of radius ...

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