LIVE Course for free

Rated by 1 million+ students
Get app now
JEE MAIN 2023
JEE MAIN 2023 TEST SERIES
NEET 2023 TEST SERIES
NEET 2023
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
22 views
in Chemistry by (80.1k points)
closed by
Number of visible lines when an electron returns from 5th orbit to ground state in H spectrum :
A. `5`
B. `4`
C. `3`
D. `10`

1 Answer

0 votes
by (80.4k points)
selected by
 
Best answer
Correct Answer - C
Shortest wave length of Lyman series of H-atom
`1/lambda=1/x=R[1/((1)^(2))-1/((oo)^(2))]` So, `x=1/R`
For Balmes series
`1/lambda=R (1)^(2){1/((2)^(2))-1/((3)^(2))}`
`1/lambda=1/x xx5/36` so, `lambda=(36 x)/(5)`

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

...