ENTRANCE TEST – 2012 :: Discussion


7.If an electron in the ‘K’ shell is removed and an electron from ‘L’ shell jumps to occupy the hole in the ‘K’ shell, it emits a photon of energy:
A.hfKα = EL – EK
B.hc = EL – EK
C.h/λKα = EL – EK
D.hfKα = EK – EL
Answer:  Option  A
Explanation:

Tutorial Link:
Published by:Nimra Saeed

Comments are not available

Post your comments here:

Optional

Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject



   Computer Science    English Mcqs    Agriculture    

Engineering



   Computer Science    Civil Engineering    

Technical



   Networking    Electronics    Database    

Past Papers



   Model Papers    FPSC Papers