Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
A $12.5$ ev electron beam is used to bombard gaseous hydrogen at ground state. The energy level upto which the hydrogen atoms would be excited is
PhysicsAtomic PhysicsWBJEEWBJEE 2021
Options:
  • A 2
  • B 3
  • C 4
  • D 1
Solution:
2278 Upvotes Verified Answer
The correct answer is: 3
$12.5 < 12.75$


$\therefore$ 3rd state

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.