UPSC NDA II 2015 General Ability Paper

Concept:Tungsten is a chemical element with symbol $\mathrm{W}$, derived from its German name "Wolfram".Explanation:The element tungsten has atomic number $74$ and its chemical symbol is $\mathrm{W}$.The symbol $\mathrm{W}$ comes from the German name "Wolfram".Among the given options, $\mathrm{Ta}$ is for Tantalum, $\mathrm{Tl}$ is for Thallium, and $\mathrm{Tc}$ is for Technetium.Only option B ($\mathrm{W}$) correctly represents tungsten.Tungsten is known for its high density and melting point, and it is used in light-bulb filaments, tools, and abrasives.Answer:Option B ($\mathrm{W}$).