Q: 44 (NDA-I/2017)

Match List I with List II and select the coirect answer using the code given below the. Lists : List I List II (Noble gas) (Use) A. Argon
1. In lights for advertising display B. Neon
2. Airport landing lights and in C. Kwton lighthouses D. Xenon
3. Light in photographer’s flash gun
4. In tungsten filament to last longer Code : A B C D

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