1 files changed, 16 insertions, 0 deletions
diff --git a/3869/CH2/EX2.19/Ex2_19.sce b/3869/CH2/EX2.19/Ex2_19.sce
new file mode 100644
index 000000000..f75a4e917
--- /dev/null
+++ b/3869/CH2/EX2.19/Ex2_19.sce
@@ -0,0 +1,16 @@
+clear
+//
+//
+//
+
+//Variable declaration
+n=2                             //order
+N=4250                          //grating lines(lines/cm)
+theta=30*%pi/180            //angle(radian)
+
+//Calculation
+e=1/N
+lamda=e*sin(theta)*10**8/n       //wavelength of spectral line(angstrom)
+
+//Result
+printf("\n wavelength of spectral line is %0.0f  angstrom",lamda)