| Cambridge univ, exam. papers - 1843 - 50 pages
...satisfied whenever the forces tend to fixed centres and are functions of the distance. 8. A small pencil is refracted through a prism in a plane perpendicular to its edge; shew that when the deviation is a minimum the pencil at emergence will diverge from a point. Why is... | |
| Harvey Goodwin - Mathematics - 1846 - 500 pages
...prism. DEF. The refracting angle of a prism is the angle of inclination of the two bounding planes. 38. A ray of light is refracted through a prism, in a plane perpendicular to its edge; to jind the direction of the refracted ray. Let the plane of the paper be that in which the refraction... | |
| Francis James Jameson - Mathematics - 1851 - 144 pages
...will be at ^3, which, since the rays do not actually pass through it, is a virtual one. 1850. (A). A ray of light is refracted through a prism in a plane perpendicular to its edge ; find the deviation produced by the refraction. (B). A speck is situated just within a glass sphere;... | |
| Harvey Goodwin - Mathematics - 1851 - 196 pages
...where the distance between them is the greatest, when they are between the centre and the surface. 10. A ray of light is refracted through a prism in a plane perpendicular to its edge ; find the deviation produced by the refraction. A speck is situated just within a glass sphere ; shew... | |
| Bengal council of educ - 1852 - 348 pages
...and the geometrical focus at a distance of 30 inches from the surface whose refractive index =1-5. 3. A ray of light is refracted through a prism in a plane perpendicular to its edge ; find the deviation produced by refraction. 4. A parabola whose latus rectum = 11 is placed before... | |
| London univ - 1852 - 358 pages
...medium into another, as the angle of incidence increases the angle of deviation also increases. 9. A ray of light is refracted through a prism in a plane perpendicular to its edge, find the direction of the refracted ray ; and show how to construct a prism such that no ray shall... | |
| Education - 1855 - 864 pages
...the geometrical focus at a distance of 30 inches from the surface whose refractive index = !• 5. 3. A ray of light is refracted through a prism in a plane perpendicular to its edge ; find the deviation produced by refraction. 4. A parabola whose latus rectum = 11 is placed before... | |
| Robert Alexander Houstoun - Science - 1915 - 502 pages
...of the prism differs from that of the light reflected back from the first face by a constant amount. (3) A ray of light is refracted through a prism in...the deviation increases with the angle of the prism. Show that . , /sin i-\ \ M is the limiting angle of the prism such that the ray does not emerge when... | |
| William Watson - Physics - 1920 - 1014 pages
...prism used as a reflector to turn a ray of light through 90° [sin. 45°=./O7]. Ans. 1.414. 930 7. A ray of light is refracted through a prism in a plane pcrpe«Eeri» Prove that if the angle of incidence is constant, the deviation .actz angle of the prism.... | |
| Arthur Edward Ellard McKenzie - Light - 1965 - 386 pages
...refracting angle a prism, of refractive index 1-5, may have for light to pass through it (Fig. 31). 25. A ray of light is refracted through a prism in a plane perpendicular to its edge. The angle of incidence is 30° and the refractive index of the prism is 1-5. Calculate the limiting... | |
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