diff options
Diffstat (limited to '3755/CH12')
| -rw-r--r-- | 3755/CH12/EX12.1/Ex12_1.sce | 18 | ||||
| -rw-r--r-- | 3755/CH12/EX12.2/Ex12_2.sce | 16 | ||||
| -rw-r--r-- | 3755/CH12/EX12.3/Ex12_3.sce | 17 | ||||
| -rw-r--r-- | 3755/CH12/EX12.4/Ex12_4.sce | 14 | ||||
| -rw-r--r-- | 3755/CH12/EX12.5/Ex12_5.sce | 16 | ||||
| -rw-r--r-- | 3755/CH12/EX12.6/Ex12_6.sce | 19 | ||||
| -rw-r--r-- | 3755/CH12/EX12.7/Ex12_7.sce | 15 | ||||
| -rw-r--r-- | 3755/CH12/EX12.8/Ex12_8.sce | 20 |
8 files changed, 135 insertions, 0 deletions
diff --git a/3755/CH12/EX12.1/Ex12_1.sce b/3755/CH12/EX12.1/Ex12_1.sce new file mode 100644 index 000000000..4db44ca49 --- /dev/null +++ b/3755/CH12/EX12.1/Ex12_1.sce @@ -0,0 +1,18 @@ +clear
+//
+//
+//
+
+//Variable declaration
+e=1.6*10^-19; //charge(coulomb)
+c=3*10^8; //velocity of matter wave(m/s)
+h=6.62*10^-34; //plank's constant(Js)
+lamda=6328*10^-10; //wavelength(m)
+
+//Calculation
+E=h*c/(lamda*e); //energy of photon(eV)
+p=h/lamda; //momentum of photon(kg m/s)
+
+//Result
+printf("\n energy of photon is %0.2f eV",E)
+printf("\n momentum of photon is %0.2f *10^-27 kg m/s",p*10^27)
diff --git a/3755/CH12/EX12.2/Ex12_2.sce b/3755/CH12/EX12.2/Ex12_2.sce new file mode 100644 index 000000000..55f223773 --- /dev/null +++ b/3755/CH12/EX12.2/Ex12_2.sce @@ -0,0 +1,16 @@ +clear
+//
+//
+//
+
+//Variable declaration
+c=3*10^8; //velocity of matter wave(m/s)
+h=6.62*10^-34; //plank's constant(Js)
+lamda=7000*10^-10; //wavelength(m)
+n=2.8*10^19; //number of ions
+
+//Calculation
+E=n*h*c/lamda; //energy of laser pulse(joule)
+
+//Result
+printf("\n energy of laser pulse is %0.2f joule",E)
diff --git a/3755/CH12/EX12.3/Ex12_3.sce b/3755/CH12/EX12.3/Ex12_3.sce new file mode 100644 index 000000000..121c6a273 --- /dev/null +++ b/3755/CH12/EX12.3/Ex12_3.sce @@ -0,0 +1,17 @@ +clear
+//
+//
+//
+
+//Variable declaration
+c=3*10^8; //velocity of matter wave(m/s)
+l=2.945*10^-2;
+lamda=5890*10^-10; //wavelength(m)
+
+//Calculation
+n=l/lamda; //number of oscillations
+tow_c=l/c; //coherence time(s)
+
+//Result
+printf("\n number of oscillations is %0.0f *10^4",n/10^4)
+printf("\n coherence time is %0.2f *10^-11 s",tow_c*10^11)
diff --git a/3755/CH12/EX12.4/Ex12_4.sce b/3755/CH12/EX12.4/Ex12_4.sce new file mode 100644 index 000000000..bf6c51c56 --- /dev/null +++ b/3755/CH12/EX12.4/Ex12_4.sce @@ -0,0 +1,14 @@ +clear
+//
+//
+//
+
+//Variable declaration
+P=10*10^-3; //power(W)
+d=1.3*10^-3; //diameter(m)
+
+//Calculation
+I=4*P/(%pi*d^2); //intensity of beam(W/m^2)
+
+//Result
+printf("\n intensity of beam is %0.1f kW/m^2",I/10^3)
diff --git a/3755/CH12/EX12.5/Ex12_5.sce b/3755/CH12/EX12.5/Ex12_5.sce new file mode 100644 index 000000000..c5e75ef8f --- /dev/null +++ b/3755/CH12/EX12.5/Ex12_5.sce @@ -0,0 +1,16 @@ +clear
+//
+//
+//
+
+//Variable declaration
+c=3*10^8; //velocity of matter wave(m/s)
+h=6.62*10^-34; //plank's constant(Js)
+lamda=6940*10^-10; //wavelength(m)
+P=1; //power(J)
+
+//Calculation
+n=P*lamda/(h*c); //number of ions
+
+//Result
+printf("\n number of ions is %0.2f *10^18",n/10^18)
diff --git a/3755/CH12/EX12.6/Ex12_6.sce b/3755/CH12/EX12.6/Ex12_6.sce new file mode 100644 index 000000000..371fc6329 --- /dev/null +++ b/3755/CH12/EX12.6/Ex12_6.sce @@ -0,0 +1,19 @@ +clear
+//
+//
+//
+
+//Variable declaration
+c=3*10^8; //velocity of matter wave(m/s)
+h=6.62*10^-34; //plank's constant(Js)
+lamda=6*10^-7; //wavelength(m)
+e=1.6*10^-19; //charge(coulomb)
+k=8.6*10^-5;
+T=300; //temperature(K)
+
+//Calculation
+E=h*c/(lamda*e); //energy(eV)
+N=-E/(k*T); //population ratio
+
+//Result
+printf("\n population ratio is e^ %0.3f ",N)
diff --git a/3755/CH12/EX12.7/Ex12_7.sce b/3755/CH12/EX12.7/Ex12_7.sce new file mode 100644 index 000000000..a7db8dbe6 --- /dev/null +++ b/3755/CH12/EX12.7/Ex12_7.sce @@ -0,0 +1,15 @@ +clear
+//
+//
+//
+
+//Variable declaration
+lamda=10.66*10^-6; //wavelength(m)
+delta_lamda=10^-5*10^-9; //line width(m)
+
+//Calculation
+cl=lamda^2/delta_lamda; //coherence length(m)
+
+//Result
+printf("\n coherence length is %0.2f km",cl/10^3)
+printf("\n answer varies due to rounding off errors")
diff --git a/3755/CH12/EX12.8/Ex12_8.sce b/3755/CH12/EX12.8/Ex12_8.sce new file mode 100644 index 000000000..56fd1f616 --- /dev/null +++ b/3755/CH12/EX12.8/Ex12_8.sce @@ -0,0 +1,20 @@ +clear
+//
+//
+//
+
+//Variable declaration
+lamda=7000*10^-10; //wavelength(m)
+d=5*10^-3; //aperture(m)
+f=0.2; //focal length(m)
+P=50*10^-3; //power(W)
+
+//Calculation
+d_theta=1.22*lamda/d; //angular speed(radian)
+A=(d_theta*f)^2; //areal speed(m^2)
+I=P/A; //intensity of image(watt/m^2)
+
+//Result
+printf("\n areal speed is %0.3f *10^-8 m^2",A*10^8)
+printf("\n intensity of image is %0.2f *10^5 watt/m^2",I/10^5)
+printf("\n answer given in the book is wrong")
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