1 files changed, 10 insertions, 0 deletions
diff --git a/3669/CH4/EX4.9/9.sce b/3669/CH4/EX4.9/9.sce
new file mode 100644
index 000000000..394c3e2f7
--- /dev/null
+++ b/3669/CH4/EX4.9/9.sce
@@ -0,0 +1,10 @@
+//Variable declaration
+me=1.676*10**-27;    //mass(kg)  
+mn=9.1*10**-31;    //mass(kg)
+h=6.63*10**-34;    //planck's constant
+
+//Calculation
+lamda_n=h/sqrt(4*mn*me);      //de broglie wavelength(m)
+
+//Result
+printf('de broglie wavelength is %0.3f  nm   \n',int(lamda_n*10**9))
+\ No newline at end of file