initial commit / add all books

4 files changed, 50 insertions, 0 deletions

diff --git a/1784/CH42/EX42.4/example_4.sce b/1784/CH42/EX42.4/example_4.sce
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+//example_4
+//chapter 42
+//clc()
+n1=1
+n2=2
+o=20//in cm
+r=10//in cm
+disp("x=n2/i")
+x=((n2-n1)/r)-(n1/o)
+disp(x)
+i=n2/x
+disp(i,"The value of i in cm=")
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diff --git a/1784/CH42/EX42.5/example_5.sce b/1784/CH42/EX42.5/example_5.sce
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index 000000000..59c3bfc3b
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+++ b/1784/CH42/EX42.5/example_5.sce
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+//example_5
+//chapter 42
+//clc()
+n1=2
+n2=1
+o=15//in cm
+r=-10//in cm
+disp("x=n2/i")
+x=((n2-n1)/r)-(n1/o)
+disp(x)
+i=n2/x
+disp(i,"The value of i in cm=")
\ No newline at end of file
diff --git a/1784/CH42/EX42.7/example_7.sce b/1784/CH42/EX42.7/example_7.sce
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+//Example 7
+//chapter 42
+//clc()
+n=1.65
+r_1=40//in cm
+r_2=-40//in cm
+disp("x=1/f in cm=")
+x=(n-1)*((1/r_1)-(1/r_2))
+disp(x)
+disp("f=1/x")
+f=1/x
+disp(f,"f in cm=")
\ No newline at end of file
diff --git a/1784/CH42/EX42.8/example_8.sce b/1784/CH42/EX42.8/example_8.sce
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+//Example 8
+//chapter 42
+//clc()
+o=9//in c
+f=24//in cm
+x=(1/f)-(1/o)
+disp("x=1/i in cm=")
+disp(x)
+i=1/x
+disp("i in cm=")
+disp(i)
+disp("lateral magnification =")
+m=-(i/o)
+disp(m)
\ No newline at end of file