From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 1271/CH14/EX14.38/38.txt           |  7 +++++++
 1271/CH14/EX14.38/example14_38.sce | 17 +++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100755 1271/CH14/EX14.38/38.txt
 create mode 100755 1271/CH14/EX14.38/example14_38.sce

(limited to '1271/CH14/EX14.38')

diff --git a/1271/CH14/EX14.38/38.txt b/1271/CH14/EX14.38/38.txt
new file mode 100755
index 000000000..5792a41f4
--- /dev/null
+++ b/1271/CH14/EX14.38/38.txt
@@ -0,0 +1,7 @@
+ # PROBLEM 38 # 
+Standard formula used 
+  lambda = h/(2*m*E)^1/2.
+
+ de-Broglie wavelength of electron - (1) In first case is 0.548627 A. 
+ (2) In second case is 1.734911 A. 
+ (3) In third is 12.267676 A.
diff --git a/1271/CH14/EX14.38/example14_38.sce b/1271/CH14/EX14.38/example14_38.sce
new file mode 100755
index 000000000..9bae2e9f7
--- /dev/null
+++ b/1271/CH14/EX14.38/example14_38.sce
@@ -0,0 +1,17 @@
+clc 
+// Given that
+E1 = 500 // kinetic energy of electron in first case in eV
+E2 = 50 // kinetic energy of electron in second case in eV
+E3 = 1 // kinetic energy of electron in third case in eV
+h = 6.62e-34 // Planck constant in J-sec
+e = 1.6e-19 // charge on an electron in C 
+m = 9.1e-31 // mass of electron in kg
+// Sample Problem 38 on page no. 14.36
+printf("\n # PROBLEM 38 # \n")
+printf("Standard formula used \n ")
+printf(" lambda = h/(2*m*E)^1/2.\n")
+lambda1 = h / sqrt(2 * m * E1 * e)
+lambda2 = h / sqrt(2 * m * E2 * e)
+lambda3 = h / sqrt(2 * m * E3 * e)
+printf("\n de-Broglie wavelength of electron - (1) In first case is %f A. \n (2) In second case is %f A. \n (3) In third is %f A.",lambda1*1e10,lambda2*1e10,lambda3*1e10)
+                                                               
-- 
cgit