Sarthaks Test
0 votes
49 views
in Physics by (38.1k points)

(i) In the explanation of photo electric effect, we asssume one photon of frequency ν collides with an electron and transfers its energy. This leads to the equation for the maximum energy Emax of the emitted electron as

Emax = hν – φ0

where φ0 is the work function of the metal. If an electron absorbs 2 photons (each of frequency ν ) what will be the maximum energy for the emitted electron? 

(ii) Why is this fact (two photon absorption) not taken into consideration in our discussion of the stopping potential?

1 Answer

0 votes
by (63.6k points)
selected by
 
Best answer

(i) Emax = 2hv – ϕ

(ii) The probability of absorbing 2 photons by the same electron is very low. Hence such emissions will be negligible.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...