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Q. Consider the following regarding infrared regions of the electromagnetic spectrum:
  1. Near Infrared
  2. Mid Infrared
  3. Far Infrared
Which of the following correctly represents the order of increasing wavelength?
Answer: 1,2,3
Notes: In the electromagnetic spectrum, Near Infrared has the shortest wavelength, followed by Mid Infrared, and then Far Infrared with the longest wavelength. Therefore, the correct order of increasing wavelength is: Near Infrared, Mid Infrared, Far Infrared (1, 2, 3).
Question Source: 📚This question has been sourced from GKToday's "Target 2026 UPSC Prelims" App Exclusive Course in GKToday Android Application which provides more than 40K General Knowledge and General Studies questions with explanations asked in all Competitive Exams of India. Download the app here.
📌 Question Number: 3 in Light and Optics in the above course in App.