 | William Thomas Allder Emtage - 1896 - عدد الصفحات: 368
...the displacement imperceptible to the eye. The figure shows the passage of the ray for this case, * and r are the angles of incidence and refraction at...parallel, the angle of refraction at B must be equal to *. Suppose that a ray of light passes from a medium, a, through two plates of b and c, having a common... | |
 | 1964 - عدد الصفحات: 230
[ عذرًا، محتوى هذه الصفحة مقيَّد ] | |
 | 1964 - عدد الصفحات: 224
[ عذرًا، محتوى هذه الصفحة مقيَّد ] | |
 | 1921 - عدد الصفحات: 1130
...is t and ) — ut sin cos z + cos i') — sin 6 = sinr' = sin (i/r— >• — t). In the formula, i and r are the angles of incidence and refraction at the surface of the meniscus, and i' and r' are the angles of incidence and refraction at the rear surface... | |
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The figure shows the passage of the ray for this case, i and r are the angles of incidence and refraction at the first surface, at the point A. 