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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /1694/CH2/EX2.15 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '1694/CH2/EX2.15')
| -rw-r--r-- | 1694/CH2/EX2.15/EX2_15.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/1694/CH2/EX2.15/EX2_15.sce b/1694/CH2/EX2.15/EX2_15.sce new file mode 100644 index 000000000..166b64018 --- /dev/null +++ b/1694/CH2/EX2.15/EX2_15.sce @@ -0,0 +1,21 @@ +clear;
+clc;
+printf("\nEx2.15\n");
+//page no.-63
+//given
+m=9.11*10^-31;.............//mass of e in kg
+E=1.6*10^-15;..............//energy in joule
+h=6.625*10^-34;.............//planck's constant
+d=5.5*10^-11;...............//interplanar spacing in m
+//we knoe , E=m*v^2/2
+
+v=sqrt((2*E)/m);..........//velocity in m/s
+//By debroglie relationship
+
+lambda=h/sqrt(2*m*E)...........//wavelength in m
+
+//By bragg's eq. 2*d*sind(theta)=n*lambda
+//n=1, for first order
+theta=asind(lambda/(2*d))..............//angle of deviation
+
+printf("\nangle of deviation is 6.4 degree\n");
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