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Diffstat (limited to '3543/CH2/EX2.04')
| -rw-r--r-- | 3543/CH2/EX2.04/EX2_4.png | bin | 0 -> 31556 bytes | |||
| -rw-r--r-- | 3543/CH2/EX2.04/Ex2_4.sce | 23 |
2 files changed, 23 insertions, 0 deletions
diff --git a/3543/CH2/EX2.04/EX2_4.png b/3543/CH2/EX2.04/EX2_4.png Binary files differnew file mode 100644 index 000000000..ae424c95f --- /dev/null +++ b/3543/CH2/EX2.04/EX2_4.png diff --git a/3543/CH2/EX2.04/Ex2_4.sce b/3543/CH2/EX2.04/Ex2_4.sce new file mode 100644 index 000000000..90691e287 --- /dev/null +++ b/3543/CH2/EX2.04/Ex2_4.sce @@ -0,0 +1,23 @@ +// Example 2.4
+// Calculation of (a) Numerical aperature and (b) critical angle
+// Page no 480
+
+clc;
+clear;
+close;
+
+// Given data
+n1=1.5; // Refractive index of core
+n2=1.47; // Refractive index of cladding
+
+// (a) Numerical aperature
+NA= sqrt(n1^2-n2^2);
+
+// (b) Critical angle
+theatha=asind(n2/n1);
+
+//Display result on command window
+printf("\n Numerical aperature = %0.2f ",NA);
+printf("\n Critical angle (degrees)= %0.1f ",theatha);
+
+
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