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Diffstat (limited to '3822/CH9/EX9.4')
| -rw-r--r-- | 3822/CH9/EX9.4/Ex9_4.jpg | bin | 0 -> 209795 bytes | |||
| -rw-r--r-- | 3822/CH9/EX9.4/Ex9_4.sce | 17 |
2 files changed, 17 insertions, 0 deletions
diff --git a/3822/CH9/EX9.4/Ex9_4.jpg b/3822/CH9/EX9.4/Ex9_4.jpg Binary files differnew file mode 100644 index 000000000..3a2ba90c9 --- /dev/null +++ b/3822/CH9/EX9.4/Ex9_4.jpg diff --git a/3822/CH9/EX9.4/Ex9_4.sce b/3822/CH9/EX9.4/Ex9_4.sce new file mode 100644 index 000000000..b15f36903 --- /dev/null +++ b/3822/CH9/EX9.4/Ex9_4.sce @@ -0,0 +1,17 @@ + +//OptoElectronics and Fibre Optics Communication, by C.K Sarkar and B.C Sarkar
+//Example 9.4
+//OS=Windows 10
+////Scilab version Scilab 6.0.0-beta-2(64 bit)
+clc;
+clear;
+
+//given
+alpham=26.1;//angular limit of far field pattern in degrees
+NA=sind(alpham);//numerical aperture
+L=16.7;//length of picture in cm
+
+AB=(L/2)/[tand(alpham)];//distance from the screen in cm
+mprintf("The numerical appertur is=%.2f ",NA);
+mprintf("\nThe distance from the screen is=%.2f cm",AB);
+//th answer vary due to rounding
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