A noble gas with a high power of fog penetration used in aerodrome beacons is -.

A noble gas with a high power of fog penetration used in aerodrome beacons is -.

A. krypton

B. argon

C. helium

D. neon

The correct answer is:

D. neon ✅

Explanation:

• Neon is a noble gas that produces a bright, highly visible light.

• It has a high power of fog penetration, making it ideal for aerodrome beacons.

• Other noble gases like krypton and argon are used in lighting, but neon is preferred for airport beacons because of its intense, clear glow visible over long distances.                                                                                                                                                                                                  Past Question Number:6