Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

Blue light can cause photoelectric emission from a metal, but yellow light cannot. If red light is incident on the metal, then

$\begin {array} {1 1} (a)\;Photoelectric\: current\: wd)\;Energy \: of \: the \: photoelectrons \: will \: increase \end {array}$


Can you answer this question?

1 Answer

0 votes
Ans : (c) No photoelectric emission will occur
Since, threshold wavelength of red light is less than that of yellow light.
So, it will not cause photoelectric emission.


answered Dec 24, 2013 by thanvigandhi_1
edited Oct 12, 2014 by thagee.vedartham

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