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Electromagnetic waves

9 PYQ across 5 exams · 1985–2026 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 1985 → CAPF 2019 → … → NDA 2026
19851 PYQ
CSEQ33
Radio waves travel with a speed of…
20192 PYQs
CAPFQ34
Which one of the following is NOT true for an electromagnetic wave?…
CAPFQ35
Which one of the following is NOT an electromagnetic wave?…
20201 PYQ
CDSQ89
Which one of the following statements with regard to the ultraviolet light is not correct?…
20211 PYQ
GEOQ63
Which one of the following statements, with regard to the properties of X-ray, is correct?…
20231 PYQ
GEOQ70
Which one of the following statements about X-rays is not correct?…
20241 PYQ
GEOQ27
At a given point in space, the electric field associated with an electromagnetic wave is given by E = (2 î − 1·5 ĵ) e^(ik(2t + 4y) − ωt). At…
20251 PYQ
GEOQ1
An electromagnetic wave with its magnetic field B = 0.3cos(8y - 10^8 t) ĵ tesla is propagating in a non-magnetic dielectric medium of refrac…
20261 PYQ
NDAQ71
With respect to electromagnetic waves, the human eye is sensitive to…
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