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-rw-r--r--3701/CH2/EX2.10/Ex2_10.sce9
-rw-r--r--3701/CH2/EX2.11/Ex2_11.sce10
-rw-r--r--3701/CH2/EX2.12/Ex2_12.sce15
-rw-r--r--3701/CH2/EX2.13/Ex2_13.sce16
-rw-r--r--3701/CH2/EX2.14/Ex2_14.sce19
-rw-r--r--3701/CH2/EX2.15/Ex2_15.sce12
-rw-r--r--3701/CH2/EX2.16/Ex2_16.sce17
-rw-r--r--3701/CH2/EX2.17/Ex2_17.sce16
-rw-r--r--3701/CH2/EX2.19/Ex2_19.sce14
-rw-r--r--3701/CH2/EX2.2/Ex2_2.sce12
-rw-r--r--3701/CH2/EX2.3/Ex2_3.sce12
-rw-r--r--3701/CH2/EX2.4/Ex2_4.sce11
-rw-r--r--3701/CH2/EX2.5/Ex2_5.sce18
-rw-r--r--3701/CH2/EX2.6/Ex2_6.sce14
-rw-r--r--3701/CH2/EX2.7/Ex2_7.sce12
-rw-r--r--3701/CH2/EX2.8/Ex2_8.sce11
-rw-r--r--3701/CH2/EX2.9/Ex2_9.sce12
17 files changed, 230 insertions, 0 deletions
diff --git a/3701/CH2/EX2.10/Ex2_10.sce b/3701/CH2/EX2.10/Ex2_10.sce
new file mode 100644
index 000000000..2623a525a
--- /dev/null
+++ b/3701/CH2/EX2.10/Ex2_10.sce
@@ -0,0 +1,9 @@
+////given
+e=1.60*10**-19 //C
+slope=4.12*10**-15 //Vs
+
+//Calculation
+h=slope*e
+
+//Result
+printf("\n Value of planks constant %e Js",h)
diff --git a/3701/CH2/EX2.11/Ex2_11.sce b/3701/CH2/EX2.11/Ex2_11.sce
new file mode 100644
index 000000000..f361f066f
--- /dev/null
+++ b/3701/CH2/EX2.11/Ex2_11.sce
@@ -0,0 +1,10 @@
+////Given
+W=2.26*1.6*10**-19 //ev
+v=10**6 //m/s
+m=9*10**-31
+h=6.6*10**-34
+//Calculation
+V=((1/2.0)*m*v**2+W)/h
+
+//Result
+printf("\n frequency of incident radiation %0.2f *10**15 HZ",V*10**-15)
diff --git a/3701/CH2/EX2.12/Ex2_12.sce b/3701/CH2/EX2.12/Ex2_12.sce
new file mode 100644
index 000000000..709470a65
--- /dev/null
+++ b/3701/CH2/EX2.12/Ex2_12.sce
@@ -0,0 +1,15 @@
+////given
+V1=.82 //volts
+V2=1.85 //volts
+lembda1=4.0*10**-7 //m
+lembda2=3.0*10**-7
+e=1.6*10**-19
+c=3.0*10**8 //m/s
+
+//Calculation
+lembda=(1/lembda2)-(1/lembda1)
+h=(e*(V2-V1))/(c*lembda)
+
+//Result
+printf("\n (a) planks constant %e Js",h)
+printf("\n (b) no, because the stopping potential depends only on the wavelength of light and not on its intensity.")
diff --git a/3701/CH2/EX2.13/Ex2_13.sce b/3701/CH2/EX2.13/Ex2_13.sce
new file mode 100644
index 000000000..41616a10d
--- /dev/null
+++ b/3701/CH2/EX2.13/Ex2_13.sce
@@ -0,0 +1,16 @@
+////given
+h=6.62*10**-34 //Js
+c=3*10**8 //m/s
+lembda=4560.0*10**-10 //m
+p=1*10**-3 //W
+a=0.5/100
+e=1.6*10**-19
+
+//calculation
+E=(h*c)/lembda
+N=p/E //Number of photons incedent on the surface
+n=N*a
+I=n*e
+
+//result
+printf("\n Photoelectric current %0.2f *10**-6 A",I*10**6)
diff --git a/3701/CH2/EX2.14/Ex2_14.sce b/3701/CH2/EX2.14/Ex2_14.sce
new file mode 100644
index 000000000..abd76408e
--- /dev/null
+++ b/3701/CH2/EX2.14/Ex2_14.sce
@@ -0,0 +1,19 @@
+////given
+m0=9.1*10**-31 //Kg
+c=3*10**8 //m/s
+h=6.6*10**-34 //Js
+v1=2.0*10**-10 //m
+
+//Calculation
+//
+v= (h/(m0*c))*(1-(cos(90))*3.14/180.0)
+v2=v+v1
+v0=v2-v1
+E=(h*c*(v0))/(v1*v2)
+b=(1/(sin(90)*3.14/180.0))*((v2*10**-10/v1)-cos(90)*3.14/180.0)
+angle=3.14/2.0-atan(b)
+
+//Result
+printf("\n (a) the wavelength of scattered photon is %0.3f A",v2*10**10)
+printf("\n (b) The energy of recoil electron is %0.2f *10**-17 J",E*10**17)
+printf("\n (c) angle at which the recoil electron appears %0.2f degree",angle)
diff --git a/3701/CH2/EX2.15/Ex2_15.sce b/3701/CH2/EX2.15/Ex2_15.sce
new file mode 100644
index 000000000..64e9b5f92
--- /dev/null
+++ b/3701/CH2/EX2.15/Ex2_15.sce
@@ -0,0 +1,12 @@
+////Given
+E=0.9 //Mev
+a=120 //degree
+m=9.1*10**-31 //Kg
+c=3*10**8 //m/s
+
+//calculation
+b=((m*c**2)/1.6*10**-19)*10**32
+energy=E/(1+2*(E/b)*(3/4.0))
+
+//Result
+printf("\n energy of scattered photon %0.3f Mev",energy)
diff --git a/3701/CH2/EX2.16/Ex2_16.sce b/3701/CH2/EX2.16/Ex2_16.sce
new file mode 100644
index 000000000..623a2fc94
--- /dev/null
+++ b/3701/CH2/EX2.16/Ex2_16.sce
@@ -0,0 +1,17 @@
+////Given
+v1=2.000*10**-10 //m
+v2=2.048*10**-10 //m
+a=180 //degree
+a1=60 //degree
+h=6.6*10**-34
+c=3*10**8
+
+//Calculation
+//
+b=(v2-v1)/(1-cos(a*3.14/180.0))
+V=v1+b*(1-cos(60*3.14/180.0))
+E=(h*c*(V-v1))/(V*v1)
+
+//Result
+printf("\n (a) wavelength of radiation scattered at an angle of 60 degree %0.3f A",V*10**10)
+printf("\n (b) Energy of the recoil electron is %0.2f *10**-18 J",E*10**18)
diff --git a/3701/CH2/EX2.17/Ex2_17.sce b/3701/CH2/EX2.17/Ex2_17.sce
new file mode 100644
index 000000000..51aa288c9
--- /dev/null
+++ b/3701/CH2/EX2.17/Ex2_17.sce
@@ -0,0 +1,16 @@
+////Given
+E=4*10**3*1.6*10**-19
+m0=9.1*10**-31
+b=6.4*10**-16
+d=102.39*10**-16
+h=6.3*10**-34
+c=3*10**8
+
+//Calculation
+//
+p=sqrt(2*m0*E)
+d=b+d
+lembda=(2*h*c)/d
+
+//Result
+printf("\n Wavelength of incident photon is %0.2f A",lembda*10**10)
diff --git a/3701/CH2/EX2.19/Ex2_19.sce b/3701/CH2/EX2.19/Ex2_19.sce
new file mode 100644
index 000000000..9efcd67b3
--- /dev/null
+++ b/3701/CH2/EX2.19/Ex2_19.sce
@@ -0,0 +1,14 @@
+////Given
+E=1.02 //Mev
+b=0.51
+
+//Calculation
+//
+alpha=E/b
+a=1/(sqrt(2*(alpha+2)))
+angle=2*(asin(a)*180/3.14)
+e=E/(1.0+alpha*(1-(cos(angle*3.14/180.0))))
+
+//Result
+printf("\n (a) Angle for symmetric scattering is %0.1f degree",angle)
+printf("\n (b) energy of the scattered photon is %0.2f Mev",e)
diff --git a/3701/CH2/EX2.2/Ex2_2.sce b/3701/CH2/EX2.2/Ex2_2.sce
new file mode 100644
index 000000000..27114c734
--- /dev/null
+++ b/3701/CH2/EX2.2/Ex2_2.sce
@@ -0,0 +1,12 @@
+////Given
+E=40 //W
+lembda=6000*10**-10 //m
+h=6.63*10**-34 //Js
+c=3*10**8 //m/s
+
+//Calculation
+n=(E*lembda)/(h*c)
+
+//Result
+printf("\n Number of photons emitted per second are given by %0.2f *10**19",n*10**-19)
+printf("\nThe answers vary due to round off error")
diff --git a/3701/CH2/EX2.3/Ex2_3.sce b/3701/CH2/EX2.3/Ex2_3.sce
new file mode 100644
index 000000000..541a101a1
--- /dev/null
+++ b/3701/CH2/EX2.3/Ex2_3.sce
@@ -0,0 +1,12 @@
+////Given
+a=3.2 //ev
+energy=3.8 //ev
+e=1.6*10**-19
+
+//Calculation
+c=energy-a
+Energy=c*e
+
+//Result
+printf("\n Kinetic energy of the photoelectron is given by %e Joule",Energy)
+
diff --git a/3701/CH2/EX2.4/Ex2_4.sce b/3701/CH2/EX2.4/Ex2_4.sce
new file mode 100644
index 000000000..5da21c2a9
--- /dev/null
+++ b/3701/CH2/EX2.4/Ex2_4.sce
@@ -0,0 +1,11 @@
+////Given
+W=3.45 //ev
+h=6.63*10**-34 //Js
+c=3*10**8 //m/s
+e=1.6*10**-19
+
+//Calculation
+lembda=(h*c)/(W*e)
+
+//Result
+printf("\n Maximum wavelength of photon is %0.0f A",lembda*10**10)
diff --git a/3701/CH2/EX2.5/Ex2_5.sce b/3701/CH2/EX2.5/Ex2_5.sce
new file mode 100644
index 000000000..18e1d2e32
--- /dev/null
+++ b/3701/CH2/EX2.5/Ex2_5.sce
@@ -0,0 +1,18 @@
+////Given
+W=3 //ev
+h=6.63*10**-34
+e=1.6*10**-19
+lembda=3.0*10**-7 //m
+c=3*10**8 //m/s
+
+//Calculation
+v0=(W*e)/h
+v=c/lembda
+E=h*(v-v0)
+E1=(h*(v-v0))/(1.6*10**-19)
+V0=E/e
+
+//Result
+printf("\n (a) Threshold frequency %0.2f *10**15 HZ",v0*10**-15)
+printf("\n (b) Maximum energy of photoelectron %0.2f eV",E1)
+printf("\n (c) Stopping potential %0.2f V",V0)
diff --git a/3701/CH2/EX2.6/Ex2_6.sce b/3701/CH2/EX2.6/Ex2_6.sce
new file mode 100644
index 000000000..fae1ff1b9
--- /dev/null
+++ b/3701/CH2/EX2.6/Ex2_6.sce
@@ -0,0 +1,14 @@
+////Given
+v0=6*10**14 //s**-1
+h=6.63*10**-34
+e=1.6*10**-19
+V0=3
+
+//Calculaton
+W=h*v0
+W0=(h*v0)/e
+V=(e*V0+h*v0)/h
+
+//Result
+printf("\n work function is given by %0.3f ev",W0)
+printf("\n frequency is given by %0.2f *10**15 s-1",V*10**-15)
diff --git a/3701/CH2/EX2.7/Ex2_7.sce b/3701/CH2/EX2.7/Ex2_7.sce
new file mode 100644
index 000000000..2293e79b6
--- /dev/null
+++ b/3701/CH2/EX2.7/Ex2_7.sce
@@ -0,0 +1,12 @@
+////Given
+lembda=6800.0*10**-10 //m
+h=6.6*10**-34
+W=2.3 //ev
+c=3*10**8 //m/s
+
+//Calculation
+E=((h*c)/lembda)/1.6*10**-19
+
+//Result
+printf("\n Energy is %0.2f ev",E*10**38)
+printf("\n since the energy of incident photon is less then the work function of Na, photoelecrticemession is not possible with the given light.")
diff --git a/3701/CH2/EX2.8/Ex2_8.sce b/3701/CH2/EX2.8/Ex2_8.sce
new file mode 100644
index 000000000..bfd71f5af
--- /dev/null
+++ b/3701/CH2/EX2.8/Ex2_8.sce
@@ -0,0 +1,11 @@
+////Given
+lembda=3500*10**-10 //m
+h=6.6*10**-34
+c=3*10**8 //m/s
+
+//calculation
+E=((h*c)/lembda)/1.6*10**-19
+
+//Result
+printf("\n Energy is %0.2f ev",E*10**38)
+printf("\n 1.9 ev < E < 4.2 ev,only metal B will yield photoelectrons")
diff --git a/3701/CH2/EX2.9/Ex2_9.sce b/3701/CH2/EX2.9/Ex2_9.sce
new file mode 100644
index 000000000..acf3fdad5
--- /dev/null
+++ b/3701/CH2/EX2.9/Ex2_9.sce
@@ -0,0 +1,12 @@
+////Given
+lembda=6.2*10**-6
+W=0.1 //ev
+h=6.6*10**-34 //Js
+c=3*10**8 //m/s
+e=1.6*10**-19
+
+//Calculation
+E=((h*c)/(lembda*e))-W
+
+//Result
+printf("\n Maximum kinetic energy of photoelectron %0.1f ev",E)
generated by cgit (git 2.34.1) at 2024-12-23 01:32:38 +0000