JEE Main 2020 — Electromagnetic Waves Question with Solution
From: JEE Main 2020 (Online) 4th September Morning Slot
Question
Choose the correct option relating wave lengths of different parts of electromagnetic wave spectrum:
Choose an option
Show full solutionCorrect option: A
Correct answer
Aradio waves > micro waves > visible > x-rays
Step-by-step explanation
Decreasing order of wavelength,
Radio wave > Microwave > Infrared >
ROYGBIV(Visiable Resion) > Ultraviolet > X rays > rays
So the correct order -
radio waves > micro waves > visible > x-rays
Radio wave > Microwave > Infrared >
ROYGBIV(Visiable Resion) > Ultraviolet > X rays > rays
So the correct order -
radio waves > micro waves > visible > x-rays
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Electromagnetic Waves chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2020, covering the Electromagnetic Waves chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.