Answer to Question #58598 in Quantum Mechanics for sajid

Question #58598
Q. Show that energy E of a photon having wavelength λ can be written as E= (1240ev/ λ)nm.
Q. The energy needed to remove an electron from metallic sodium is 2.28ev. Does sodium show photo electric effect for red light having wavelength λ= 678 nm. What is cut off wavelength for photoelectric emission from sodium?
1
Expert's answer
2016-03-25T11:11:04-0400
The answer to the question is available in the PDF file https://www.assignmentexpert.com/https://www.assignmentexpert.com/homework-answers/physics-answer-58598.pdf

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!

Leave a comment

LATEST TUTORIALS
APPROVED BY CLIENTS