Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
Home  >>  EAMCET  >>  Physics
0 votes

The surface of a metal has work function 2.66 e V. This is illuminated with photons of wavelength 450 nm. Te de Broglie wavelength of the emitted photoelectrons is : ( Mass of electron = $9 \times 10^{-31}$ kg)

$\begin {array} {1 1} (1)\;2.045 \times 10^{-9}m & \quad (2)\;4.09 \times 10^{-9}m \\ (3)\;8.18 \times 10^{-9}m & \quad (4)\;1.02 \times 10^{-9}m \end {array}$


Can you answer this question?

1 Answer

0 votes
Ans : (2)
$4.09 \times 10^{-9}m$
answered Feb 27, 2014 by thanvigandhi_1

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App