9. The drawing shows a crystalline quartz slab with a rectangular cross section. A ray of light strikes the slab at an i

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9 The Drawing Shows A Crystalline Quartz Slab With A Rectangular Cross Section A Ray Of Light Strikes The Slab At An I 1 (44.3 KiB) Viewed 31 times

9. The drawing shows a crystalline quartz slab with a rectangular cross section. A ray of light strikes the slab at an incident angle of 81 = 27°, enters the quartz, and travels to point P. This slab is surrounded by a fluid with a refractive index n. What is the maximum value of n such that total internal reflection occurs at point P? (nquartz = 1.544) 10. For light that originates within a liquid and strikes the liquid/air interface, the critical angle is 36°. What is Brewster's angle for this light? 11.A ray of sunlight is passing from diamond into crown glass; the angle of incidence is 27.50°. The indices of refraction for the blue and red components of the ray are: blue (ndamond = 2.444, crown glass = 1.531), and red (ndiamond = 2.410, crown glass= 1.520). Determine the angle between the refracted blue and red rays in the crown glass. 12. An object is placed to the left of a lens, and a real image is formed to the right of the lens. The image is inverted relative to the object and is one-half the size of the object. The distance between the object and the image is 70.9 cm. (a) How far from the lens is the object? do (b) What is the focal length of the lens?