diff options
Diffstat (limited to '2453/CH3/EX3.11')
| -rwxr-xr-x | 2453/CH3/EX3.11/3_11.sce | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/2453/CH3/EX3.11/3_11.sce b/2453/CH3/EX3.11/3_11.sce new file mode 100755 index 000000000..64bac906a --- /dev/null +++ b/2453/CH3/EX3.11/3_11.sce @@ -0,0 +1,11 @@ +//To calculate the velocity and kinetic energy of electron
+h = 6.626*10^-34; //planck's constant, J sec
+m = 9.1*10^-31; //mass of electron, kg
+e = 1.6*10^-19;
+lamda = 1.66*10^-10; //wavelength, m
+v = h/(m*lamda); //velocity of electron, m/sec
+v_km = v*10^-3; //velocity of electron, km/sec
+printf("velocity of electron is %d km/sec",v_km);
+KE = (1/2)*m*v^2; //kinetic energy, J
+KE_eV = KE/e; //kinetic energy, eV
+printf("kinetic energy of electron is %5.2f eV",KE_eV);
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