diff options
Diffstat (limited to '3701/CH8')
| -rw-r--r-- | 3701/CH8/EX8.2/Ex8_2.sce | 12 | ||||
| -rw-r--r-- | 3701/CH8/EX8.3/Ex8_3.sce | 9 | ||||
| -rw-r--r-- | 3701/CH8/EX8.4/Ex8_4.sce | 16 | ||||
| -rw-r--r-- | 3701/CH8/EX8.6/Ex8_6.sce | 17 | ||||
| -rw-r--r-- | 3701/CH8/EX8.7/Ex8_7.sce | 17 | ||||
| -rw-r--r-- | 3701/CH8/EX8.8/Ex8_8.sce | 17 |
6 files changed, 88 insertions, 0 deletions
diff --git a/3701/CH8/EX8.2/Ex8_2.sce b/3701/CH8/EX8.2/Ex8_2.sce new file mode 100644 index 000000000..fbbcc2f79 --- /dev/null +++ b/3701/CH8/EX8.2/Ex8_2.sce @@ -0,0 +1,12 @@ +////Given
+b=-32
+a=32.0
+c=1
+
+//Calculation
+//
+r=(-b+(sqrt(b**2-(4*a*c))))/(2.0*a)
+
+//Result
+printf("\n The ratio of E/V0 = %0.3f ",r*10**0)
+printf("\n -ve value is not possible. ")
diff --git a/3701/CH8/EX8.3/Ex8_3.sce b/3701/CH8/EX8.3/Ex8_3.sce new file mode 100644 index 000000000..bb137083b --- /dev/null +++ b/3701/CH8/EX8.3/Ex8_3.sce @@ -0,0 +1,9 @@ +////Given
+E=9 //ev
+v0=5 //ev
+
+//Calculation
+R=((sqrt(E)-(sqrt(E-v0)))/(sqrt(E)+(sqrt(E-v0))))**2
+
+//Result
+printf("\n Reflection ratio is %0.3f ", R)
diff --git a/3701/CH8/EX8.4/Ex8_4.sce b/3701/CH8/EX8.4/Ex8_4.sce new file mode 100644 index 000000000..7d1ce900e --- /dev/null +++ b/3701/CH8/EX8.4/Ex8_4.sce @@ -0,0 +1,16 @@ +////Given
+E=9 //Kinetic energy of a particle in ev
+v0=10 //ev
+E1=5 //ev
+E2=15
+E3=10 //ev
+
+//calculation
+//
+R=((sqrt(E2)-(sqrt(E2-v0)))/(sqrt(E2)+(sqrt(E2-v0))))**2
+T=1-R
+
+//Result
+printf("\n (a) E1 < vo, therefore R=1, T=0")
+printf("\n (b) reflection coefficient R= %0.3f \n transmission coefficient T= %0.3f ",R,T)
+printf("\n (c) E3=v0, therefore R=1 , T=0")
diff --git a/3701/CH8/EX8.6/Ex8_6.sce b/3701/CH8/EX8.6/Ex8_6.sce new file mode 100644 index 000000000..15efcbc04 --- /dev/null +++ b/3701/CH8/EX8.6/Ex8_6.sce @@ -0,0 +1,17 @@ +////Given
+E=2 //ev
+v0=3 //ev
+m=9*10**-31
+a=4*10**-10 //m
+h=1.05*10**-34
+b=(v0-E)*(1.6*10**-19)
+
+//Calculation
+//
+Ka=((sqrt(2*m*(b)))*a)/h
+x=sin(Ka*3.14/180.0)
+T=(v0**2)/(4.0*E*(v0-E))
+T1=1/(1+(T*x**2))
+
+//Result
+printf("\n Transmission coefficient is %0.3f ",T1)
diff --git a/3701/CH8/EX8.7/Ex8_7.sce b/3701/CH8/EX8.7/Ex8_7.sce new file mode 100644 index 000000000..03618c549 --- /dev/null +++ b/3701/CH8/EX8.7/Ex8_7.sce @@ -0,0 +1,17 @@ +////Given
+E=2 //ev
+v0=3 //ev
+m=9*10**-31
+a=1*10**-10 //m
+h=1.05*10**-34
+b=(v0-E)*(1.6*10**-19)
+
+//Calculation
+//
+Ka=((sqrt(2*m*(b)))*a)/h
+x=sin(Ka*3.14/180.0)
+T=(v0**2)/(4.0*E*(v0-E))
+T1=1/(1.0+(T*x))
+
+//Result
+printf("\n Transmission coefficient is %0.2f ",T1)
diff --git a/3701/CH8/EX8.8/Ex8_8.sce b/3701/CH8/EX8.8/Ex8_8.sce new file mode 100644 index 000000000..0c0803d34 --- /dev/null +++ b/3701/CH8/EX8.8/Ex8_8.sce @@ -0,0 +1,17 @@ +////Given
+E=10*10**6 //ev
+T=2.0*10**-3
+m=6.68*10**-27 //kg
+h=1.054*10**-34 //Js
+e=1.6*10**-19
+v0=30.0*10**6 //ev
+
+//Calculation
+//
+K=(sqrt(2*m*(v0-E)*e))/h
+a=(1/(2.0*K))*(2.303*log10((16/T)*(E/v0)*(1-(E/v0))))
+
+//Result
+printf("\n The width of the barrier is %e m",a)
+printf("\nthe answers vary due to round off error")
+
|