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In Fig. 34-84, a light ray enters a glas...

In Fig. 34-84, a light ray enters a glass slab at point A at incident angle `theta_(1)=45.0^(@)` and then undergoes total internal reflection at point B. What minimu value for the index of refraction of the glass can be inferred from this information ?

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The correct Answer is:
`1.22`
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RESNICK AND HALLIDAY-GEOMETRICAL OPTICS : REFRACTION-Problems
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  2. A thin equiconvex lens of refractive index 3//2 and radius of curvatur...

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  3. The cross section of a glass prism mu=2 has the form of an isosceles r...

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  4. A prism having refractive index sqrt(2) and refracting angle 30^(@), h...

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  5. A quartz glass prism of refracting angle 4^(@) is to be combined with ...

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  6. Focal lengths of two lenses are 10cm and -20cm and dispersive powers o...

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  7. A small fish 0.4m below the surface of a lake, is viewed through a sim...

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  8. The dispersive powers of crown and flint glasses are 0.03 and 0.05 res...

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  9. While light falls on one face of crown glass prism of refracting angle...

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  10. A flint glass prism and a crown glass prism are to be comblined in suc...

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  11. A fish is rising up vertically inside a pond with velocity of 4cm//s, ...

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  12. A ray is ihncident at an angle of incidence ii on one surface of a pri...

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  13. A prism of refractive index sqrt(2) has a prism angle of 60^(@). At wh...

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  14. Find the (a) angle of minimum and (b) the maximum deviation for an equ...

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  15. Suppose the prism of Fig. 34-83 has apex angle ph=60.^(@) and index of...

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  16. In Fig. 34-84, a light ray enters a glass slab at point A at incident ...

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  17. An object is placed at a certain distance from a screen. A convex lens...

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  18. A convex lens A of focal length 20 cm and a concave lens B of focal le...

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  19. Two thin sysmmetrical lenses of different nature and of different mate...

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  20. An object is placed 1cm above the principal axis of a convex lens of f...

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