Question 30

The wavelength of the first spectral line in the Balmer series of hydrogen atom is 6561 Å. The wave length of the second spectral line in the Balmer series of singly-ionized helium atom is-

Create a FREE account and get:

Free JEE Advanced Previous Papers PDF
Take JEE Advanced paper tests

CAT Quant Questions | CAT Quantitative Ability

CAT Mensuration Questions CAT Averages Questions CAT Linear Equations Questions CAT Venn Diagrams Questions CAT Percentages Questions

CAT DILR Questions | LRDI Questions For CAT

CAT Quant Based DI Questions CAT Arrangement Questions CAT Data Interpretation Basics Questions CAT Quant Based LR Questions CAT Puzzles Questions

CAT Verbal Ability Questions | VARC Questions For CAT

CAT Miscellaneous Questions CAT Verbal Ability Questions CAT Para Jumbles Questions CAT Odd One Out Questions CAT Para Summary Questions

Follow us on

Boost your Prep!

Download App