1 files changed, 23 insertions, 0 deletions
diff --git a/3769/CH23/EX23.7/Ex23_7.sce b/3769/CH23/EX23.7/Ex23_7.sce
new file mode 100644
index 000000000..d031e16d0
--- /dev/null
+++ b/3769/CH23/EX23.7/Ex23_7.sce
@@ -0,0 +1,23 @@
+clear
+//Given
+l=36.0*10**-8              //m
+w0=2*1.6*10**-19             //J
+h=6.62*10**-34               //Js
+c=3*10**8
+e=1.6*10**-19
+m=9.0*10**-31
+
+//Calculation
+//
+l0=(h*c)/w0
+E=(h*c)/l
+E1=(E/1.6*10**-19)*10**38
+K=E1-2
+v0=K
+vmax=sqrt(e*v0*2/m)
+
+//Result
+printf("\n (i) Threshold wavelength is %0.0f  A",l0*10**10)
+printf("\n (ii) Maximum kinetic energy of emitted photoelectrons is %0.3f  ev",K)
+printf("\n (iii) Stopping potential is %0.3f  Volts",v0)
+printf("\n (iv) Velocity is  %0.2f  *10**5 m/s",vmax*10**-5)