 By Francis Jenkins, Harvey White

ISBN-10: 0072561912

ISBN-13: 9780072561913

Jenkins F.A., White H.E., Jenkins F., White H. basics of Optics (MGH technology Engineering Math, 2001)(ISBN 0072561912)(766s)

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Extra resources for Fundamentals of optics

Example text

B) Assuming the sines of the angles in Snell's law can be repllJced by the angles themselves, what would be the angle of refraction? (c) Find the percentage error. Find the answers to Prob. 4265. 0° on the smooth surface of a piece of glass. 5152, find the angle of refraction to four significant figures. (b) Find the angle of refraction graphically. (See Fig. 13). Ans. 13 Graph for part (b) of Prob. 13. 50 mm thick to close the two ends, is thoroughly evacuated. 5250, find the overall optical path between the two outer glass surfaces.

In Fig. 2A(b) is shown a case of internal reflection or dense-torare reflection. In this particular case the refracted beam is narrow because tP' is close to 90°. 2 THE CRITICAL ANGLE AND TOTAL REFLECTION We have already seen in Fig. 2A(a) that as light passes from one medium like air into another medium like glass or water the angle of refraction is always less than the angle of incidence. While a decrease in angle occurs for all angles of incidence, there exists a range of refracted angles for which no refracted light is possible.

6240, find the overall optical path. 3870. Find to three significant figures (a) each of the separate optical paths and (b) the total optical path. Ans. 6 cm, (b) 647 cm A ray of light in air is incident on the polished surface of a block of glass at an angle of 10°. 5258, find the angle of refraction to four significant figures. (b) Assuming the sines of the angles in Snell's law can be repllJced by the angles themselves, what would be the angle of refraction? (c) Find the percentage error. Find the answers to Prob.