First slide

Photo Electric Effect

Question

The maximum kinetic energy of photo electrons emitted from a surface when photons of energy 6 eV fall on it is 4 eV, The stopping potential in volt is

Easy

A

2
B

4
C

6
D

10

Solution

Given That $\frac{hc}{λ} = 6 eV and {(E_{k})}_{max} = 5 eV$
From photo-electric equation
${eV}_{0} = {(E_{k})}_{max} = 4 eV V_{0} = 4 volt$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App