5 files changed, 69 insertions, 0 deletions
diff --git a/273/CH14/EX14.1/ex14_1.sce b/273/CH14/EX14.1/ex14_1.sce
new file mode 100755
index 000000000..62aecacf1
--- /dev/null
+++ b/273/CH14/EX14.1/ex14_1.sce
@@ -0,0 +1,13 @@
+clc;clear;
+//Example 14.1
+//calculation of intensity of laser beam
+
+//given values
+P=10*10^-3;//Power in Watt
+d=1.3*10^-3;//diametre in m
+A=%pi*d^2/4;//area in m^2
+
+
+//calculation
+I=P/A;
+disp(I,'intensity (in W/m^2) is');
+\ No newline at end of file
diff --git a/273/CH14/EX14.2/ex14_2.sce b/273/CH14/EX14.2/ex14_2.sce
new file mode 100755
index 000000000..16b434b2a
--- /dev/null
+++ b/273/CH14/EX14.2/ex14_2.sce
@@ -0,0 +1,13 @@
+clc;clear;
+//Example 14.2
+//calculation of intensity of laser beam
+
+//given values
+P=1*10^-3;//Power in Watt
+l=6328*10^-10;//wavelength in m
+A=l^2;//area in m^2
+
+
+//calculation
+I=P/A;
+disp(I,'intensity (in W/m^2) is');
+\ No newline at end of file
diff --git a/273/CH14/EX14.3/ex14_3.sce b/273/CH14/EX14.3/ex14_3.sce
new file mode 100755
index 000000000..928fcfe8a
--- /dev/null
+++ b/273/CH14/EX14.3/ex14_3.sce
@@ -0,0 +1,16 @@
+clc;clear;
+//Example 14.3
+//calculation of coherence length,bandwidth and line width
+
+//given values
+c=3*10^8;//velocity of light in m/s
+t=.1*10^-9;//timedivision in s
+l=6238*10^-10;//wavelength in m
+
+//calculation
+x=c*t;
+disp(x,'coherence length (in m) is');
+d=1/t;
+disp(d,'bandwidth (in Hz) is');
+y=l^2*d/c;//line width in m
+disp(y*10^10,'line width(in armstrong )is');
+\ No newline at end of file
diff --git a/273/CH14/EX14.4/ex14_4.sce b/273/CH14/EX14.4/ex14_4.sce
new file mode 100755
index 000000000..ad593341f
--- /dev/null
+++ b/273/CH14/EX14.4/ex14_4.sce
@@ -0,0 +1,11 @@
+clc;clear;
+//Example 14.4
+//calculation of frequency difference
+
+//given values
+c=3*10^8;//velocity of light in m/s
+l=.5;//distance in m
+
+//calculation
+f=c/(2*l);//in hertz
+disp(f/10^6,'frequency difference (in MHz) is');
diff --git a/273/CH14/EX14.5/ex14_5.sce b/273/CH14/EX14.5/ex14_5.sce
new file mode 100755
index 000000000..d43d04411
--- /dev/null
+++ b/273/CH14/EX14.5/ex14_5.sce
@@ -0,0 +1,16 @@
+clc;clear;
+//Example 14.5
+//calculation of no of cavity modes
+
+//given values
+c=3*10^8;//velocity of light in m/s
+n=1.75;//refractive index
+l=2*10^-2;//length of ruby rod in m
+x=6943*10^-10;//wavelength in m
+y=5.3*10^-10;//spread of wavelength in m
+
+//calculation
+d=c/n/l;
+f=c*y/x^2;
+m=f/d;
+disp(m,'no of modes is');