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-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/README.txt0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_1.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_2.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_3.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_1.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_2.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_3.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_1.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_2.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_3.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_1.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_2.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_3.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5_1.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5_2.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5_3.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6_1.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6_2.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6_3.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_1.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_2.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_3.ipynb0
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/X-ray_diffraction.pngbin166483 -> 166483 bytes
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/X-ray_diffraction_1.pngbin152419 -> 152419 bytes
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/ultrasonic.pngbin196078 -> 196078 bytes
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/ultrasonic_1.pngbin48843 -> 48843 bytes
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/ultrasonics.pngbin172482 -> 172482 bytes
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/ultrasonics_1.pngbin157652 -> 157652 bytes
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/wave_mechanics.pngbin170567 -> 170567 bytes
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/wave_mechanics_1.pngbin155664 -> 155664 bytes
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/wave_mechanics_2.pngbin193079 -> 193079 bytes
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/wave_mechanics_3.pngbin44887 -> 44887 bytes
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/x-ray_diffraction.pngbin190996 -> 190996 bytes
-rwxr-xr-x[-rw-r--r--]Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/x-ray_diffraction_1.pngbin29979 -> 29979 bytes
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diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/README.txt b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/README.txt
index 47d9e9f2..47d9e9f2 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/README.txt
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/README.txt
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1.ipynb
index b3ed1475..b3ed1475 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_1.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_1.ipynb
index 7c196e63..7c196e63 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_1.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_1.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_2.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_2.ipynb
index d574ec96..d574ec96 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_2.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_2.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_3.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_3.ipynb
index 9d6b2a0d..9d6b2a0d 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_3.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter1_3.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2.ipynb
index 6d47a57a..6d47a57a 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_1.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_1.ipynb
index de4b7a8a..de4b7a8a 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_1.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_1.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_2.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_2.ipynb
index 7e8438a5..7e8438a5 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_2.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_2.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_3.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_3.ipynb
index 93668522..93668522 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter2_3.ipynb
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diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3.ipynb
index a59a3b60..a59a3b60 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_1.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_1.ipynb
index 210e8592..210e8592 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_1.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_1.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_2.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_2.ipynb
index 7ce71243..7ce71243 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_2.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_2.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_3.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_3.ipynb
index b0ecb13c..b0ecb13c 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_3.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter3_3.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4.ipynb
index 54daa719..54daa719 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_1.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_1.ipynb
index 3b5fccb8..3b5fccb8 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_1.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_1.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_2.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_2.ipynb
index 0443e127..0443e127 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_2.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_2.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_3.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_3.ipynb
index 19c1cdfd..19c1cdfd 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_3.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter4_3.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5.ipynb
index b4149bf9..b4149bf9 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5.ipynb
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diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5_1.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5_1.ipynb
index 62847c30..62847c30 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5_1.ipynb
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diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5_2.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5_2.ipynb
index b4149bf9..b4149bf9 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5_2.ipynb
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diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5_3.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5_3.ipynb
index 444f9319..444f9319 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5_3.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter5_3.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6.ipynb
index 132d528e..132d528e 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6_1.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6_1.ipynb
index 08c4435e..08c4435e 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6_1.ipynb
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diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6_2.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6_2.ipynb
index 84cca408..84cca408 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6_2.ipynb
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diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6_3.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6_3.ipynb
index 89f5d752..89f5d752 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6_3.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter6_3.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7.ipynb
index ae2e7eb6..ae2e7eb6 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7.ipynb
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diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_1.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_1.ipynb
index 871de61f..871de61f 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_1.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_1.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_2.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_2.ipynb
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--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_2.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_2.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_3.ipynb b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_3.ipynb
index 22697e77..22697e77 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_3.ipynb
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/chapter7_3.ipynb
diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/X-ray_diffraction.png b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/X-ray_diffraction.png
index ef65abd6..ef65abd6 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/X-ray_diffraction.png
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index 958cc24e..958cc24e 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/X-ray_diffraction_1.png
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diff --git a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/x-ray_diffraction_1.png b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/x-ray_diffraction_1.png
index f434240f..f434240f 100644..100755
--- a/Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/x-ray_diffraction_1.png
+++ b/Engineering_Physics_(Volume-2)_by_S.K._Gupta/screenshots/x-ray_diffraction_1.png
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