2 files changed, 14 insertions, 0 deletions
diff --git a/1172/CH8/EX8.15.1/8_15a.txt b/1172/CH8/EX8.15.1/8_15a.txt
new file mode 100755
index 000000000..d9c8d02b5
--- /dev/null
+++ b/1172/CH8/EX8.15.1/8_15a.txt
@@ -0,0 +1,4 @@
+ # Problem 15a # 
+
+ Standard formula used E = m*c^2
+ Loss in mass during formation of 1 atom of hydrogen is 2.417778e-32 g.
diff --git a/1172/CH8/EX8.15.1/Example8_15a.sce b/1172/CH8/EX8.15.1/Example8_15a.sce
new file mode 100755
index 000000000..7857f25a1
--- /dev/null
+++ b/1172/CH8/EX8.15.1/Example8_15a.sce
@@ -0,0 +1,10 @@
+clc
+
+//Given that
+b_e = 13.6 // Binding energy of electron to proton in eV
+c= 3e8 // speed of light in m/s
+// sample problem 15a page No. 306
+printf("\n\n\n # Problem 15a # \n")
+printf("\n Standard formula used E = m*c^2")
+del_m = b_e * (1.6e-19) / c^2 * 1000 
+printf ("\n Loss in mass during formation of 1 atom of hydrogen is %e g.", del_m)