Added new codeHEADmaster

1 files changed, 27 insertions, 0 deletions

diff --git a/3869/CH1/EX1.12/Ex1_12.sce b/3869/CH1/EX1.12/Ex1_12.sce
new file mode 100644
index 000000000..f44d0c1c7
--- /dev/null
+++ b/3869/CH1/EX1.12/Ex1_12.sce
@@ -0,0 +1,27 @@
+clear
+//
+//
+//
+
+//Variable declaration
+mew=1.33        //refractive index
+i=35*%pi/180      //angle of incidence(radian)
+d=5*10**-5            //thickness(cm)
+n1=1                  //order 
+n2=2                  //order
+n3=3                  //order 
+n4=4                  //order
+
+//Calculation
+r=180/%pi*asin(sin(i)/mew)     //angle of reflection(degrees)
+lamda1=2*mew*d*cos(r)/n1            //wavelength of light for 1st order(cm)
+lamda2=2*mew*d*cos(r)/n2            //wavelength of light for 2nd order(cm)
+lamda3=2*mew*d*cos(r)/n3            //wavelength of light for 3rd order(cm)
+lamda4=2*mew*d*cos(r)/n4            //wavelength of light for 4th order(cm)
+
+//Result
+printf("\n wavelength of light for 1st order is %0.1f  *10**-5 cm",lamda1*10**5)
+printf("\n answer in the book varies due to rounding off errors")
+printf("\n wavelength of light for 2nd order is %0.2f  *10**-5 cm",lamda2*10**5)
+printf("\n wavelength of light for 3rd order is %0.2f  *10**-5 cm",lamda3*10**5)
+printf("\n wavelength of light for 4th order is %0.1f  *10**-5 cm",lamda4*10**5)