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

---
 2183/CH7/EX7.2/Ex_7_2.sce | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100755 2183/CH7/EX7.2/Ex_7_2.sce

(limited to '2183/CH7/EX7.2')

diff --git a/2183/CH7/EX7.2/Ex_7_2.sce b/2183/CH7/EX7.2/Ex_7_2.sce
new file mode 100755
index 000000000..378722185
--- /dev/null
+++ b/2183/CH7/EX7.2/Ex_7_2.sce
@@ -0,0 +1,16 @@
+
+// Example 7.2 //quantum efficiency and responsivity
+clc;
+clear;
+close;
+e=1.6*10^-19;//elecronic charge
+re=1.2*10^12;// Average no. of electron hole pair generated
+rp=3*10^12;//no. of photons
+h=0.85;//wavelength in micro meter
+E=0.75;//energy gap in electron volt
+C=3*10^8;//SPEED of light in meter per second
+n=round((re/rp)*100);//quantum efficiency
+ht=6.62*10^-34;//plank constt.
+R=((n/100)*e*h*10^-6)/(ht*C);
+disp(n,"quantum efficiency (%)")
+disp(R,"Responsivity is in Ampere per Watt")
-- 
cgit