diff options
Diffstat (limited to '2708/CH1')
31 files changed, 358 insertions, 0 deletions
diff --git a/2708/CH1/EX1.1/ex_1_1.sce b/2708/CH1/EX1.1/ex_1_1.sce new file mode 100755 index 000000000..2690a0286 --- /dev/null +++ b/2708/CH1/EX1.1/ex_1_1.sce @@ -0,0 +1,9 @@ +//Example 1.1 // fringe width
+clear;
+clc;
+//given data :
+d=5D-4;// distance between slits in m
+w=5890D-10;// wavelength in m
+D=0.5;//distance between source and screen in m
+b=D*w/d;//fringes width
+disp(b,"width of fringes in meter")
diff --git a/2708/CH1/EX1.10/ex_1_10.sce b/2708/CH1/EX1.10/ex_1_10.sce new file mode 100755 index 000000000..d45651f2b --- /dev/null +++ b/2708/CH1/EX1.10/ex_1_10.sce @@ -0,0 +1,9 @@ +//Example 1.10 // fringe width
+clc;
+clear;
+//given data :
+b1=0.087;// initally fringe width in mm
+//when distance given in ratio
+r=.75;// ratio
+b=b1/r
+disp(b,"width of fringes in mm")
diff --git a/2708/CH1/EX1.11/ex_1_11.sce b/2708/CH1/EX1.11/ex_1_11.sce new file mode 100755 index 000000000..b0529ba4a --- /dev/null +++ b/2708/CH1/EX1.11/ex_1_11.sce @@ -0,0 +1,9 @@ +//Example 1.11 // separation between coherent source
+clc;
+clear;
+//given data :
+u=1.5;//referactive index of bi-prism
+al=2*%pi/180;//angle in radian
+a=.1;// distance between source & prism in m
+d=2*a*(u-1)*al;// distance between slits in m
+disp(d,"separation between coherent source in meter")
diff --git a/2708/CH1/EX1.12/ex_1_12.sce b/2708/CH1/EX1.12/ex_1_12.sce new file mode 100755 index 000000000..fc6c5194e --- /dev/null +++ b/2708/CH1/EX1.12/ex_1_12.sce @@ -0,0 +1,9 @@ +//Example 1.12 // refractive index of sheet
+clc;
+clear;
+//given data :
+w=5460D-10;// wavelength in m
+n=6;// number of fringe shifted
+t=6.3D-6;//thickness of material
+u=(n*w)/t +1; // equation for fefractive index
+disp(u,"refractive index of sheet")
diff --git a/2708/CH1/EX1.14/ex_1_14.sce b/2708/CH1/EX1.14/ex_1_14.sce new file mode 100755 index 000000000..420eee188 --- /dev/null +++ b/2708/CH1/EX1.14/ex_1_14.sce @@ -0,0 +1,12 @@ +//Example 1.4 // thickness of plate
+clc;
+clear;
+//given data :
+u=1.5;//referactive index of glass plate
+r=60;// refraction angle in degree
+r=r*%pi/180;// to convert in radian
+w=5890D-10;// wavelength in m
+//for least thickness
+t=w/(2*u*cos(r));
+t=t*1D10;// to convert in angstrom
+disp(t,"thickness of plate in A")
diff --git a/2708/CH1/EX1.15/ex_1_15.sce b/2708/CH1/EX1.15/ex_1_15.sce new file mode 100755 index 000000000..c7e3f3443 --- /dev/null +++ b/2708/CH1/EX1.15/ex_1_15.sce @@ -0,0 +1,13 @@ +//Example 1.15 // flim thickness
+clc;
+clear;
+//given data :
+u=1.5;//referactive index of oil
+i=30;// incident angle in degree
+i=i*%pi/180;//to convert in radian
+n=8;//8th dark band
+w=5890D-10;// wavelength in m
+r=sqrt(1-(sin(i)/u)^2);//cos of received angle
+t=n*w/(2*u*r);//formula of thickness
+t=t*1D3;//to convert in mm
+disp(t*1D-3,"flim thickness in m")
diff --git a/2708/CH1/EX1.16/ex_1_16.sce b/2708/CH1/EX1.16/ex_1_16.sce new file mode 100755 index 000000000..be7352360 --- /dev/null +++ b/2708/CH1/EX1.16/ex_1_16.sce @@ -0,0 +1,14 @@ +//Example 1.16 // order of dark band
+clc;
+clear;
+//given data :
+u=4/3;//referactive index of soap flim
+t=1.5D-6;//thickness of soap flim
+i=60;//incident angle in degree
+i=i*%pi/180;// incident angle in radian
+w=5D-7;// wavelength in m
+r=sin(i)/u;//sin of refracted angle
+R=asin(r);//refracted angle in radian
+n=2*u*t*cos(R)/w
+n=floor(n)
+disp(n,"order of dark band")
diff --git a/2708/CH1/EX1.17/ex_1_17.sce b/2708/CH1/EX1.17/ex_1_17.sce new file mode 100755 index 000000000..dcb46db3c --- /dev/null +++ b/2708/CH1/EX1.17/ex_1_17.sce @@ -0,0 +1,11 @@ +//Example 1.17 // fringe width
+clc;
+clear;
+//given data :
+x=.15;// air flim base width in m
+w=6D-7;// wavelength in m
+ab=0.05D-3;//length wire in m
+u=1;//refractive index of air
+theta=ab/x;
+b=w/(2*u*theta);//fringes width
+disp(b,"width of fringes in meter")
diff --git a/2708/CH1/EX1.18/ex_1_18.sce b/2708/CH1/EX1.18/ex_1_18.sce new file mode 100755 index 000000000..1d5e938f0 --- /dev/null +++ b/2708/CH1/EX1.18/ex_1_18.sce @@ -0,0 +1,12 @@ +//Example 1.18 // wavvelength of light
+clc;
+//given data :
+b=.5D-2;//distace between succesive fringes in m
+u=1.4;//refractive index of cellophane
+a=10;//angle of wedge in sec
+a=a*%pi/(60*60*180);//to convert in radian
+w=2*u*a*b;
+w=w*1D10;//to convert in A
+disp(w,"wavelength of light used in A")
+
+//note: Pi is taken as 22/7 in the textbook.
diff --git a/2708/CH1/EX1.19/ex_1_19.sce b/2708/CH1/EX1.19/ex_1_19.sce new file mode 100755 index 000000000..5a10a7fff --- /dev/null +++ b/2708/CH1/EX1.19/ex_1_19.sce @@ -0,0 +1,10 @@ +//Example 1.19 // angle of wedge
+clc;
+clear;
+//given data :
+x=1D-2;//distace of mth dark band
+w=6D-7;// wavelength in m
+m=10;//number of dark band
+a=m*w/(2*x)
+disp(a,"angle of wedge in radian")
+//note: answer in textbook is in seconds
diff --git a/2708/CH1/EX1.2/ex_1_2.sce b/2708/CH1/EX1.2/ex_1_2.sce new file mode 100755 index 000000000..e9295c0f5 --- /dev/null +++ b/2708/CH1/EX1.2/ex_1_2.sce @@ -0,0 +1,12 @@ +//Example 1.2 // double slit separation
+clear;
+clc;
+//given data :
+w=5100D-10;// wavelength in m
+D=2;//distance between source and screen in m
+n=10;// number of fringes
+x=0.02;//width of all n fringes in m
+b=x/n;//fringes width
+d=D*w/b;//double slit width
+disp(d,"double slit separation in meter")
+
diff --git a/2708/CH1/EX1.20/ex_1_20.sce b/2708/CH1/EX1.20/ex_1_20.sce new file mode 100755 index 000000000..774d5caca --- /dev/null +++ b/2708/CH1/EX1.20/ex_1_20.sce @@ -0,0 +1,17 @@ +//Example 1.20 // number of dark band
+clc;
+clear;
+//given data :
+t=0.01;//thickness of oil film
+t=t*1D-3;//to convert in m
+u=1.4;//refractive index of oil
+w1=4D-7;// first wavelength in m
+w2=5D-7;// second wavelength in m
+a=%pi/4;//flim placed at angle
+cosr=sqrt(1-(sin(a)/u)^2);//formula
+n1=2*u*t*cosr/w1;
+n2=2*u*t*cosr/w2;
+n1=floor(n1);//to convert in integer
+n2=floor(n2);//to convert in integer
+n=n1-n2;//number of dark band
+disp(n,"number of dark band")
diff --git a/2708/CH1/EX1.21/ex_1_21.sce b/2708/CH1/EX1.21/ex_1_21.sce new file mode 100755 index 000000000..b7d5084b6 --- /dev/null +++ b/2708/CH1/EX1.21/ex_1_21.sce @@ -0,0 +1,11 @@ +//Example 1.21 // radius of lens
+clc;
+clear;
+//given data :
+w=5890D-10;//wavelength used in m
+d=.01;//diameter of dark ring in m
+r=%pi/6;//angle that light passes in radian
+n=3;// order of ring
+u=1;// refractive index of medium between lens and plate
+R=u*(d^2)*cos(r)/(4*n*w);// radius of lens in m
+disp(R,"radius of lens in m")
diff --git a/2708/CH1/EX1.22/ex_1_22.sce b/2708/CH1/EX1.22/ex_1_22.sce new file mode 100755 index 000000000..e4cd47008 --- /dev/null +++ b/2708/CH1/EX1.22/ex_1_22.sce @@ -0,0 +1,11 @@ +//Example 1.22 // wavelength used
+clc;
+clear;
+//given data :
+R=3;//radius of lens in m
+n=8;// order of bright ring
+D=.72D-2;// diameter of bright ring in m
+u=1;// refractive index of medium between lens and plate
+w=(D^2)/((2*n-1)*2*R);// wavelength used in m
+w=w*1D10;//to convert in A
+disp(w,"wavelength of light used in A")
diff --git a/2708/CH1/EX1.23/ex_1_23.sce b/2708/CH1/EX1.23/ex_1_23.sce new file mode 100755 index 000000000..21bfbb2f8 --- /dev/null +++ b/2708/CH1/EX1.23/ex_1_23.sce @@ -0,0 +1,14 @@ +//Example 1.23 // distance between rings
+clc;
+clear;
+//given data :
+R1=100;//radii of curvature in cm
+R2=R1;// given
+w=5400D-8;// wavelength of light in m
+n1=5;// order of ring for case one
+r1=sqrt(n1*w/((1/R1)+(1/R2)));//radii of curvature in cm
+n2=15;// order of ring for second case
+r2=sqrt(n2*w/(1/R1+1/R2));// radii of curvature in cm
+d=r2-r1;// distance between rings
+disp(d,"distance between rings in cm")
+
diff --git a/2708/CH1/EX1.24/ex_1_24.sce b/2708/CH1/EX1.24/ex_1_24.sce new file mode 100755 index 000000000..8571a48e9 --- /dev/null +++ b/2708/CH1/EX1.24/ex_1_24.sce @@ -0,0 +1,8 @@ +//Example 1.24 // refractive index
+clc;
+clear;
+//given data :
+d1=.3;// diameter of ring in cm
+d2=.25;//diameter of ring(in cm) after placing in medium
+u=(d1/d2)^2;// refractive index of medium
+disp(u,"refractive index of medium")
diff --git a/2708/CH1/EX1.25/ex_1_25.sce b/2708/CH1/EX1.25/ex_1_25.sce new file mode 100755 index 000000000..0c696a936 --- /dev/null +++ b/2708/CH1/EX1.25/ex_1_25.sce @@ -0,0 +1,12 @@ +//Example 1.25 // diameter of bright ring
+clc;
+clear;
+//given data :
+w=6D-7;// wavelength used in m
+R1=3;//radius of curvature of convex lens in m
+R2=4;//radius of curvature of concave lens in m
+n=13;// order of ring
+r=sqrt((2*n-1)*w/(2*(1/R1-1/R2)));// radius of ring
+disp(2*r,"diameter of bright ring in m")
+
+
diff --git a/2708/CH1/EX1.26/ex_1_26.sce b/2708/CH1/EX1.26/ex_1_26.sce new file mode 100755 index 000000000..ef640304b --- /dev/null +++ b/2708/CH1/EX1.26/ex_1_26.sce @@ -0,0 +1,10 @@ +//Example 1.26 // thickness of flim
+clc;
+clear;
+//given data :
+u=1.5;// refractive index of flim between lens and plate
+m=10;//no. of fringes shifted in experiment
+w=5890D-10;// wavelength of light used in m
+t=m*w/(2*(u-1));// thickness of plastic flim in m
+t=t*1D9;// to convert in nm
+disp(t,"thickness of flim in nm(nanometer)")
diff --git a/2708/CH1/EX1.27/ex_1_27.sce b/2708/CH1/EX1.27/ex_1_27.sce new file mode 100755 index 000000000..53db61e6d --- /dev/null +++ b/2708/CH1/EX1.27/ex_1_27.sce @@ -0,0 +1,11 @@ +//Example 1.27 // refractive index
+clc;
+clear;
+//given data :
+n=150;//no. of frnges shifted
+w=4D-7;// wavelength of light used
+l=.2;//length of tube in m
+u=n*w/(2*l) +1
+disp(u,"refractive index of medium ")
+
+
diff --git a/2708/CH1/EX1.28/ex_1_28.sce b/2708/CH1/EX1.28/ex_1_28.sce new file mode 100755 index 000000000..e78d6550e --- /dev/null +++ b/2708/CH1/EX1.28/ex_1_28.sce @@ -0,0 +1,10 @@ +//Example 1.28 // thickness of flim
+clc;
+clear;
+//given data :
+w=589D-9;//wavelength of light used in m
+u=1.45;// refractive index of medium between lens and plate
+n=6.5;// fringes shifted
+t=n*w/(2*(u-1));// thickness of flim in m
+t=t*1D9;//to convert in nano meter
+disp(t,"thickness of flim in nm(nanometer)")
diff --git a/2708/CH1/EX1.29/ex_1_29.sce b/2708/CH1/EX1.29/ex_1_29.sce new file mode 100755 index 000000000..d6fe91dbd --- /dev/null +++ b/2708/CH1/EX1.29/ex_1_29.sce @@ -0,0 +1,8 @@ +//Example 1.29 // distance between successive poitions of movable mirror
+clc;
+clear;
+//given data :
+w1=5896D-8;//one wavelength of light used in cm
+w2=5890D-8;// second wavelength of light used in cm
+d=w1*w2/(2*(w1-w2));// distance between sucessive position of mirror in cm
+disp(d,"dustance between sucessive position of mirror in cm")
diff --git a/2708/CH1/EX1.3/ex_1_3.sce b/2708/CH1/EX1.3/ex_1_3.sce new file mode 100755 index 000000000..804b7ede1 --- /dev/null +++ b/2708/CH1/EX1.3/ex_1_3.sce @@ -0,0 +1,10 @@ +//Example 1.3 // wavelength of ligth
+clc;
+clear;
+//given data :
+d=19D-4;// distance between slits in m
+D=1;//distance between source and screen in m
+b=.31D-3;//fringes width in m
+w=b*d/D;// wavelength in m
+w=w*1D10;// to convert in A
+disp(w,"wavelength of light in A(angstrom)")
diff --git a/2708/CH1/EX1.30/ex_1_30.sce b/2708/CH1/EX1.30/ex_1_30.sce new file mode 100755 index 000000000..30f8ad16b --- /dev/null +++ b/2708/CH1/EX1.30/ex_1_30.sce @@ -0,0 +1,10 @@ +//Example 1.30 // velocity of light in medium
+clc;
+clear;
+//given data :
+d1=.3;// diameter of ring in cm
+d2=.25;//diameter of ring(in cm) after placing in medium
+c=3D8;//speed of light in m/s
+u=(d2/d1)^2;// refractive index of medium
+v=u*c;// velocity of light in fluid
+disp(v,"velocity of light in liquid in m/s")
diff --git a/2708/CH1/EX1.31/ex_1_31.sce b/2708/CH1/EX1.31/ex_1_31.sce new file mode 100755 index 000000000..6ef9066b3 --- /dev/null +++ b/2708/CH1/EX1.31/ex_1_31.sce @@ -0,0 +1,11 @@ +//Example 1.31 // thickness of flim
+clc;
+clear;
+//given data :
+w1=6.1D-5;//wavelength of light fall in cm
+w2=6D-5;// wavelength of light fall in cm
+u=1.33;// refractive index soap flim
+si=4/5;//sine of incident angle
+t=w1*w2/(2*(w1-w2)*sqrt(u^2-si^2))
+disp(t,"thickness of flim in cm")
+
diff --git a/2708/CH1/EX1.32/ex_1_32.sce b/2708/CH1/EX1.32/ex_1_32.sce new file mode 100755 index 000000000..3a09f4e8e --- /dev/null +++ b/2708/CH1/EX1.32/ex_1_32.sce @@ -0,0 +1,11 @@ +//Example 1.32 // wavelength of light
+clc;
+//given data :
+n1=5;//order of ring
+n2=25;// order of ring
+m=n2-n1;//difference of ring order
+R=100;//radius of curvature in cm
+d1=.3;//diameter of ring n cm
+d2=.8;//diameter of ring in cm
+w=(d2^2-d1^2)/(4*R*m);//wavelength in cm
+disp(w,"wacelength of light in cm")
diff --git a/2708/CH1/EX1.33/ex_1_33.sce b/2708/CH1/EX1.33/ex_1_33.sce new file mode 100755 index 000000000..8646b5381 --- /dev/null +++ b/2708/CH1/EX1.33/ex_1_33.sce @@ -0,0 +1,22 @@ +//Example 1.33 // diameter of ring
+clc
+clear;
+//given data :
+n1=4;//order of ring
+n2=12;// order of ring
+m=n2-n1;//difference of ring order
+n=20;// order of ring to find
+//let k=4*wavelength**R
+d1=.4;// diameter of first ring in cm
+d2=.7;//diameter of second ring in cm
+k=(d2^2-d1^2)/m;
+d=sqrt(n*k);// diameter of ring in cm
+disp(d,"diameter of ring in cm")
+
+//note: Wrong answer in the textbook.
+
+
+
+
+
+
diff --git a/2708/CH1/EX1.4/ex_1_4.sce b/2708/CH1/EX1.4/ex_1_4.sce new file mode 100755 index 000000000..859ee764e --- /dev/null +++ b/2708/CH1/EX1.4/ex_1_4.sce @@ -0,0 +1,10 @@ +//Example 1.4 // position of fringe
+clc;
+clear;
+//given data :
+d=2D-3;// distance between slits in m
+w=5890D-10;// wavelength in m
+D=0.04;//distance between source and screen in m
+n=10;// number of fringe which is to locate
+x=n*D*w/d;//position of fringe
+disp(x,"position of nth fringes in meter")
diff --git a/2708/CH1/EX1.5/ex_1_5.sce b/2708/CH1/EX1.5/ex_1_5.sce new file mode 100755 index 000000000..b855ff845 --- /dev/null +++ b/2708/CH1/EX1.5/ex_1_5.sce @@ -0,0 +1,10 @@ +//Example 1.5 // distance between coherent source
+clc;
+//given data :
+b=9.424D-4;//fringes width in m
+w=5890D-10;// wavelength in m
+a=0.05;// distance between source & prism in m
+c=0.75;// distance between prism & screen in m
+D=a+c;//distance between source and screen in m
+d=(D*w)/b;//distance between coherent source
+disp(d,"distance between coherent source in meter")
diff --git a/2708/CH1/EX1.6/ex_1_6.sce b/2708/CH1/EX1.6/ex_1_6.sce new file mode 100755 index 000000000..b043fb05c --- /dev/null +++ b/2708/CH1/EX1.6/ex_1_6.sce @@ -0,0 +1,12 @@ +//Example 1.6 // fringe width
+clc;
+//given data :
+a=0.10;// distance between source & prism in m
+c=1;// distance between prism & screen in m
+u=1.5;//referactive index of bi-prism
+al=%pi/180;//angle in radian
+d=2*a*(u-1)*al;// distance between slits in m
+w=5900D-10;// wavelength in m
+D=a+c;//distance between source and screen in m
+b=D*w/d;//fringes width
+disp(b,"width of fringes in meter")
diff --git a/2708/CH1/EX1.8/ex_1_8.sce b/2708/CH1/EX1.8/ex_1_8.sce new file mode 100755 index 000000000..f556e622b --- /dev/null +++ b/2708/CH1/EX1.8/ex_1_8.sce @@ -0,0 +1,16 @@ +//Example 1.8 // angle of vertex of biprism
+clc;
+clear;
+//given data :
+u=1.5;//referactive index of bi-prism
+b=.2D-3;//fringes width in m
+al=%pi/180;//angle in radian
+w=5D-7;// wavelength in m
+a=0.25;// distance between source & prism in m
+c=1.75;// distance between prism & screen in m
+D=a+c;//distance between source and screen in m
+d=D*w/b;//distance between slits in m
+a1=d/(2*a*(u-1));// angle in radian
+al=a1*180/%pi;// angle in degree
+vert=180-2*al;// vertex angle
+disp(vert,"angle of vertex of biprism in degree")
diff --git a/2708/CH1/EX1.9/ex_1_9.sce b/2708/CH1/EX1.9/ex_1_9.sce new file mode 100755 index 000000000..aeda41e64 --- /dev/null +++ b/2708/CH1/EX1.9/ex_1_9.sce @@ -0,0 +1,14 @@ +//Example 1.9 // wavelength of ligth
+clc;
+clear;
+//given data :
+u=1.5;//referactive index of bi-prism
+a=50;// distance between source & prism in cm
+c=50;// distance between prism & screen in cm
+A=179;// angle of bi-prism in degree
+D=a+c;//distance between source and screen in cm
+b=.0135;//fringes width in cm
+al=(180-A)/2;// angle with base in degree
+al=al*%pi/180;//to convert in radian
+w=2*al*(u-1)*a*b/D// wavelength in cm
+disp(w*1D8,"wavelength of light in Angstrom")
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