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Diffstat (limited to '2780/CH3/EX3.4')
| -rwxr-xr-x | 2780/CH3/EX3.4/Ex3_4.sce | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/2780/CH3/EX3.4/Ex3_4.sce b/2780/CH3/EX3.4/Ex3_4.sce new file mode 100755 index 000000000..0470048f3 --- /dev/null +++ b/2780/CH3/EX3.4/Ex3_4.sce @@ -0,0 +1,11 @@ +clc
+//to calculate wavelength of incident light
+//direction of minima is given by e*sintheta=+m*lambda
+//for first minima m=1,i.e. e*sintheta=lambda,sintheta is approximately equal to theta,then we can write it as e*theta=lambda ...........eq(1)
+//theta=Y/d........................eq(2)
+e=0.02 //in cm
+Y=0.5 //position of first minima from the central maxima in cm
+d=200 //distance of screen from the slit in cm
+//from eq(1) and eq(2),we get
+lambda=e*Y/d
+disp("wavelength of incident light is lambda="+string(lambda)+"cm")
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