blob: 2252497b56a1353a51b421c4634c4425446b883f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
//To Find the Maximum Wavelength of Light that can cause Photooelectric Effect in Lithium
//Example 42.2
clear;
clc;
h=4.14*10^-15;//Plank's Constant in eV-s
c=3*10^8;//Speed of Light in m/s
phi=2.5;//Work Function of Lithium in eV
l=h*c/phi;//Threshold Wavelength in metres
printf("Maximum Wavelength of Light to cause Photoelectric Effect in Lithium = %.0f nm",l*10^9);
|