CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately


  1. 540 nm

  2. 400 nm

  3. 220 nm

  4. 310 nm


Solution

The correct option is D

310 nm


λ0=hcW0=124004=3100 A=310 nm

flag
 Suggest corrections
thumbs-up
 
0 Upvotes


Similar questions
QuestionImage
QuestionImage
View More...


People also searched for
QuestionImage
QuestionImage
View More...



footer-image