The speed of sound in iron or steel (at 20°C) is ______?

لوہے یا اسٹیل میں آواز کی رفتار ______ ہے؟

5130 m/s

3962 m/s

1570 m/s

None of these

The speed of sound in steel at 20°C is approximately 5100–5200 m/s, with 5130 m/s being a widely accepted value.

Sound travels faster in solids like steel due to their high density and elasticity compared to gases and liquids.