6 files changed, 32 insertions, 0 deletions
diff --git a/446/CH1/EX1.1/1_1.sce b/446/CH1/EX1.1/1_1.sce
new file mode 100755
index 000000000..e4e69c1de
--- /dev/null
+++ b/446/CH1/EX1.1/1_1.sce
@@ -0,0 +1,8 @@
+clear    
+clc
+disp('Exa-1.1');
+Mn=1.008665;Mp=1.007276                                     //Given mass of an electron and a proton in terms of u
+Md= Mn-Mp;                                                  //mass difference
+printf('Mass difference in terms of U is %f ',Md);         
+Md=Md*931.50;                                              //converting u into Mev/c^2 by multiplying by 931.5 MeV/c^2
+printf('which equals %.3f Mev/c^2.',Md);
diff --git a/446/CH1/EX1.1/1_1.txt b/446/CH1/EX1.1/1_1.txt
new file mode 100755
index 000000000..d47347815
--- /dev/null
+++ b/446/CH1/EX1.1/1_1.txt
@@ -0,0 +1,3 @@
+  
+ Exa-1.1   
+Mass difference in terms of U is 0.001389 which equals 1.294 Mev/c^2. 
+\ No newline at end of file
diff --git a/446/CH1/EX1.2/1_2.sce b/446/CH1/EX1.2/1_2.sce
new file mode 100755
index 000000000..d9e4a7579
--- /dev/null
+++ b/446/CH1/EX1.2/1_2.sce
@@ -0,0 +1,6 @@
+clear     
+clc
+disp('Exa-1.2');
+Mp=1.007276 ; Me=5.4858*10^-4; //mass of proton and electron in terms of U
+Mt=Mp+Me;                      //Total mass= sum of above masses   
+printf('The combined mass of an electron and a proton was found out to be %f U.',Mt);
+\ No newline at end of file
diff --git a/446/CH1/EX1.2/1_2.txt b/446/CH1/EX1.2/1_2.txt
new file mode 100755
index 000000000..eed8d014d
--- /dev/null
+++ b/446/CH1/EX1.2/1_2.txt
@@ -0,0 +1,2 @@
+ Exa-1.2   
+The combined mass of an electron and a proton was found out to be 1.007825 U. 
+\ No newline at end of file
diff --git a/446/CH1/EX1.3/1_3.sce b/446/CH1/EX1.3/1_3.sce
new file mode 100755
index 000000000..b6fa6435b
--- /dev/null
+++ b/446/CH1/EX1.3/1_3.sce
@@ -0,0 +1,8 @@
+clear     
+clc
+disp('Exa-1.3');
+h=6.621*10^-34 ; c=2.9979*10^8;                  // h is in J/s and c is  in m/s
+hc=h*c*((10^9)/(1.6022*10^-19));               //1e=1.602*10^-19 J and 1 m=10^9 nm
+printf('The value of hc is %f eV.nm\n',hc); 
+printf('Rounding off to 4 digits, we obtain %4.f eV.nm.',hc);
+disp('Hence zero at the end is significant.');
diff --git a/446/CH1/EX1.3/1_3.txt b/446/CH1/EX1.3/1_3.txt
new file mode 100755
index 000000000..66403c71c
--- /dev/null
+++ b/446/CH1/EX1.3/1_3.txt
@@ -0,0 +1,5 @@
+  
+ Exa-1.3   
+The value of hc is 1238.865054 eV.nm.
+Rounding off to 4 digits, we obtain 1239 eV.nm.
+ Hence zero at the end is significant.
+\ No newline at end of file