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authorprashantsinalkar2018-02-03 11:01:52 +0530
committerprashantsinalkar2018-02-03 11:01:52 +0530
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parentd1e070fe2d77c8e7f6ba4b0c57b1b42e26349059 (diff)
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+clear
+//
+//
+//
+
+//Variable declaration
+theta=45*%pi/180 //glancing angle(radian)
+d=275 //interplanar spacing(pm)
+n1=3
+n2=4
+
+//Calculation
+lamda=2*d*sin(theta) //wavelength(pm)
+lamda1=lamda/n1 //wavelength for n=3
+lamda2=lamda/n2 //wavelength for n=4
+
+//Result
+printf("\n wavelength for n=3 is %0.0f pm and for n=4 is %0.2f pm",lamda1,lamda2)
+printf("\n answer for wavelength for n=4 given in the book varies due to rounding off errors")