1 files changed, 13 insertions, 0 deletions
diff --git a/1694/CH2/EX2.12/EX2_12.sce b/1694/CH2/EX2.12/EX2_12.sce
new file mode 100644
index 000000000..3fddf48d8
--- /dev/null
+++ b/1694/CH2/EX2.12/EX2_12.sce
@@ -0,0 +1,13 @@
+clear;
+clc;
+printf("\nEx2.12\n");
+//page no.-59
+//given
+V=2000;.................//potential diff. in volt
+m=6.576*10^-24;........//mass of alpha particle in gm
+h=6.62*10^-27;..........//planck's constant
+e=4.8*10^-10;..........//charge
+
+lambda=h*sqrt(150/(2*m*e*V)).............//wavelength in cm
+
+printf("\nde-Broglie wavelength is 2.3*10^-11 cm\n");