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diff --git a/1172/CH6/EX6.8.2/6_8b.txt b/1172/CH6/EX6.8.2/6_8b.txt
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index 000000000..a1960b44c
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+++ b/1172/CH6/EX6.8.2/6_8b.txt
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+ # Problem 8b # 
+
+ Standard formula used 
+ t= t_o/ sqrt ( 1- (v/c)^2)
+ Time corresponding to 1 sec is 2 sec.
diff --git a/1172/CH6/EX6.8.2/Example6_8b.sce b/1172/CH6/EX6.8.2/Example6_8b.sce
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index 000000000..053f25246
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+++ b/1172/CH6/EX6.8.2/Example6_8b.sce
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+clc
+//Given that
+c = 3e8 // speed of light in m/s
+v = 2.598e8 // speed of spaceship
+t_0 = 1 // time in second
+// sample problem 8b page No. 224
+printf("\n \n\n # Problem 8b # \n")
+printf("\n Standard formula used \n t= t_o/ sqrt ( 1- (v/c)^2)")
+t = t_0 / sqrt(1 - (v ^2 / c ^2) ) // calculation of Time corresponding to 1 sec
+printf ("\n Time corresponding to 1 sec is %d sec.",ceil (t) )