HomeBrowseBy SubjectTrendsDeep InsightsInsightsAbout
Start free trial
Home / Electromagnetic Spectrum / Chronology

Electromagnetic Spectrum

6 PYQ across 3 exams · 2018–2026 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CDS 2018 → NDA 2022 → CISF 2023
20181 PYQ
CDSQ18
The visible portion of the electromagnetic spectrum is…
20221 PYQ
NDAQ65
Which one of the following wavelengths corresponds to the wavelength of X-rays?…
20232 PYQs
CISFQ51
Which one of the following represents the correct order for the wavelengths of different waves?…
NDAQ91
Which one of the following statements about X-rays is not true?…
20241 PYQ
NDAQ90
Consider the two statements given below: Statement-1: Infrared waves are also called heat waves. Statement-2: Water molecules readily absorb…
20261 PYQ
CISFQ4
With regard to night vision cameras, which one among the following is correct?…
Related concepts — explore their timelines too
WavelengthOptics
← Back to Electromagnetic Spectrum
CrispUPSC · YouTube · Telegram · About · What’s New · invite-only beta
💬 Feedback

Send feedback