summaryrefslogtreecommitdiff
path: root/2780/CH5
diff options
context:
space:
mode:
authorpriyanka2015-06-24 15:03:17 +0530
committerpriyanka2015-06-24 15:03:17 +0530
commitb1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch)
treeab291cffc65280e58ac82470ba63fbcca7805165 /2780/CH5
downloadScilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz
Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2
Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip
initial commit / add all books
Diffstat (limited to '2780/CH5')
-rwxr-xr-x2780/CH5/EX5.1/Ex5_1.sce8
-rwxr-xr-x2780/CH5/EX5.2/Ex5_2.sce10
-rwxr-xr-x2780/CH5/EX5.3/Ex5_3.sce10
-rwxr-xr-x2780/CH5/EX5.4/Ex5_4.sce11
4 files changed, 39 insertions, 0 deletions
diff --git a/2780/CH5/EX5.1/Ex5_1.sce b/2780/CH5/EX5.1/Ex5_1.sce
new file mode 100755
index 000000000..faa758eab
--- /dev/null
+++ b/2780/CH5/EX5.1/Ex5_1.sce
@@ -0,0 +1,8 @@
+clc
+//to calculate area of the spot on the moon
+lambda=6*10^-7 //wavelength in m
+d=2 //diameter in m
+dtheta=lambda/d //angular spread in radian
+D=4*10^8 //distance of the moon
+A=(D*dtheta)^2
+disp("the areal spread is A="+string(A)+"m^2")
diff --git a/2780/CH5/EX5.2/Ex5_2.sce b/2780/CH5/EX5.2/Ex5_2.sce
new file mode 100755
index 000000000..13a3ba2ab
--- /dev/null
+++ b/2780/CH5/EX5.2/Ex5_2.sce
@@ -0,0 +1,10 @@
+clc
+//to calculate angular spread of the beam
+lambda=8*10^-7 //wavelength in m
+d=5*10^-3 //aperture in m
+dtheta=lambda/d
+disp("the angular spread of the beam is dtheta="+string(dtheta)+"radian")
+//to calculate the areal spread when it reaches the moon
+D=4*10^8 //distance of the moon in m
+A=(D*dtheta)^2
+disp("the areal spread is A="+string(A)+"m^2")
diff --git a/2780/CH5/EX5.3/Ex5_3.sce b/2780/CH5/EX5.3/Ex5_3.sce
new file mode 100755
index 000000000..1496c046a
--- /dev/null
+++ b/2780/CH5/EX5.3/Ex5_3.sce
@@ -0,0 +1,10 @@
+clc
+//to calculate number of oscillations corresponding to the coherence length
+L=2.945*10^-2 //coherence length in m
+lambda=5890*10^-10 //wavelength of sodium light in m
+n=L/lambda
+disp("the number of oscillations is n="+string(n)+"unitless")
+//to calculate coherence time
+c=3*10^8 //light speed in m
+Time=L/c //coherence time
+disp("the coherence Time="+string(Time)+"s")
diff --git a/2780/CH5/EX5.4/Ex5_4.sce b/2780/CH5/EX5.4/Ex5_4.sce
new file mode 100755
index 000000000..7d1c7ddd1
--- /dev/null
+++ b/2780/CH5/EX5.4/Ex5_4.sce
@@ -0,0 +1,11 @@
+clc
+//to calculate area and intensity of the image
+lambda=7200*10^-10 //wavelength in m
+d=5*10^-3 //aperture in m
+dtheta=lambda/d //angular spread in radian
+f=0.1 //focal length in m
+arealspread=(dtheta*f)^2
+disp("areal spread ="+string(arealspread)+"m^2")
+power=50*10^-3
+I=power/arealspread
+disp("intensity of the image is I="+string(I)+"watts/m^2")