2 files changed, 36 insertions, 0 deletions
diff --git a/446/CH4/EX4.1/4_1.sce b/446/CH4/EX4.1/4_1.sce
new file mode 100755
index 000000000..39566190b
--- /dev/null
+++ b/446/CH4/EX4.1/4_1.sce
@@ -0,0 +1,20 @@
+clear
+clc
+disp("Ex: 4.1 ");
+h=6.6*10^-34;                              // h(planck's constant)= 6.6*10^-34 
+m1= 10^3;v1=100;;                            // for automobile
+w1= h/(m1*v1);                            // ['w'-wavelength in metre'm'-mass in Kg 'v'-velocity in metres/sec.] of the particles 
+printf("Wavelength of the automobile is %1.2e m\n",w1 );
+m2=10*(10^-3);v2= 500;                      // for bullet
+w2=h/(m2*v2);
+printf("Wavelength of the bullet is %1.2e m\n ",w2 );
+m3=(10^-9)*(10^-3); v3=1*10^-2;
+w3=h/(m3*v3);
+printf("Wavelength of the smoke particle is %1.2e m\n",w3 );
+m4=9.1*10^-31;k=1*1.6*10^-19;            // k- kinetic energy of the electron & using 1ev = 1.6*10^-19 joule
+p=sqrt(2*m4*k);                         // p=momentum of electron ;from K=1/2*m*v^2
+w4=h/p;
+printf("Wavelength of the electron(1ev) is %1.2fnm\n",w4*10^9 );
+hc=1240;pc=100                         // In the extreme relativistc realm, K=E=pc; Given pc=100MeV,hc=1240MeV 
+w5= hc/pc;
+printf("Wavelength of the electron (100Mev) is %1.2f fm\n",w5);
+\ No newline at end of file
diff --git a/446/CH4/EX4.1/4_1.txt b/446/CH4/EX4.1/4_1.txt
new file mode 100755
index 000000000..f39a6938a
--- /dev/null
+++ b/446/CH4/EX4.1/4_1.txt
@@ -0,0 +1,16 @@
+  
+ Ex: 4.1(a)    
+Wavelength of the automobile is 6.60e-039 m
+ 
+ Ex: 4.1(b)    
+Wavelength of the bullet is 1.32e-034 m
+  
+ Ex: 4.1(c)    
+Wavelength of the smoke particle is 6.60e-020 m
+ 
+ Ex: 4.1(d)    
+Wavelength of the electron(1ev) is 1.22nm
+ 
+ Ex: 4.1(e)    
+Wavelength of the electron (100Mev) is 12.40 fm
+ 
+\ No newline at end of file