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Saturday, 31 October

JEE Main 2022 · PhysicsMultiple choiceSingle correctEasyRecall

JEE Main 26 June 2022, Shift 2, Physics Q45

Question 45 of 90 in this shift, Physics question 15 of 30, Section A.

Which is the correct ascending order of wavelengths ?
  1. (1)λvisible<λX−ray<λgamma−ray<λmicrowave\lambda_{visible}<\lambda_{X-ray}<\lambda_{gamma-ray}<\lambda_{microwave}
  2. (2)λgamma−ray<λX−ray<λvisible<λmicrowave\lambda_{gamma-ray}<\lambda_{X-ray}<\lambda_{visible}<\lambda_{microwave}Official answer
  3. (3)λX−ray<λgamma−ray<λvisible<λmicrowave\lambda_{X-ray}<\lambda_{gamma-ray}<\lambda_{visible}<\lambda_{microwave}
  4. (4)λmicrowave<λvisible<λgamma−ray<λX−ray\lambda_{microwave}<\lambda_{visible}<\lambda_{gamma-ray}<\lambda_{X-ray}

Official answer

Option 2

NTA final key.

Chapter
Electromagnetic Waves
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.