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A rectangular box of dimension 15 xx 10x...

A rectangular box of dimension `15 xx 10xx7` cm is made out from a transparent material, An air bubble is observed from above at a distance of 3 cm when seen from above and at a distance of 0.5 cm when seen from opposite side. What is the refractive index of the material ? Also find the actual distance of the bubble from the upper face.

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MODERN PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS-PRACTICE PROBLEMS (3)
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  9. A prism made of material with refractive index 1.6 has a prism angle o...

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  10. A prism made of refractive index x has prism angle of 50^(@). A light ...

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  11. An equilateral prism is made of material with refractive index 1.73. A...

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  12. प्रकाश की एक किरण वायु से समबाहु त्रिभुजाकार कांच के प्रिज्म से अल्पतम...

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  13. An equilateral prism of unknown refractive index has a prism angle A. ...

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  14. A prism of prism angle 50^(@) has angle of minimum deviation 30^(@). ...

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  15. A prism of refractive index 1.53 is placed in water of refractive inde...

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  16. A prism has a prism angle 60^(@). A light ray incident at an angle of ...

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  17. An equilateral prism has a refractive index equal to 1.56 for the ligh...

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  18. If a small angled prism, made of glass is immersed in a liquid of refr...

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