Join Sarthaks eConnect Today - Largest Online Education Community!
0 votes
asked in NEET by (2k points)
In a sample of hydrogen  like atoms  all of which are in ground state , a photon beam containing  photons of various  energies  is passed.  In absorption  spectrum , five dark lines are observed.  The number of bright lines in the emissions  spectrum  will be

A) 5


C) 15

D) none

1 Answer

0 votes
answered by (82.7k points)

Sigma of n-1 n= 6 

since 5 dark lines 

so Sigma of r-1 

where r goes to 6 


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.

One Thought Forever

“There is a close connection between getting up in the world and getting up in the morning.“
– Anon