Question

exam lesson name: light and sound
exam number: 700699rr
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question 8 of 20 :
select the best answer for the question.

1. through which of the following mediums is the velocity of a sound wave the greatest?

○ a. air
○ b. lead
○ c. water
○ d. steel

Explanation:

Sound waves travel fastest in solids, faster than in liquids and much faster than in gases. Among the options, steel (a solid) has a higher sound velocity than lead (another solid, but steel has higher elasticity and lower density for faster sound), water (liquid), and air (gas). So the medium with the greatest sound wave velocity is steel.

Answer:

D. Steel