Sound travels fastest in _______?

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Sound travels fastest in _______? Answer: Diamond

Sound travels fastest in diamond, as the speed of sound depends on the medium's density and rigidity, with solids like diamond being the fastest. The molecules in diamond are more tightly packed and "stiff" than in steel, which allows vibrations to be transmitted more quickly.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the ASF Airports Security Force preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.