0

Guest

Courses New

The wave length of an incident light is 6000A° if work function of the material is 1ev calculate the velocity of the emitted electron

The wave length of an incident light is 6000A° if work function of the material is 1ev calculate the velocity of the emitted electron

Grade:12

1 Answers

Arun
25750 Points
6 years ago
Dear Pooja
 
E = Wo + Kmax
 
E = 12375/6000 = 2.0625 ev
 
Now
Kmax = E - Wo = 2.0625 - 1 = 1.0625 ev
 
Now
1/2* m* V² = 1.0625 * 1.6 * 10^-19 joules
 
Put m = 9.1 * 10^-31 kg
 
And find V
 
 
Regards
Arun (askIITians forum expert)

Think You Can Provide A Better Answer ?

Other Related Questions on Physical Chemistry

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More