Which statement about the properties of light and sound

Q: Answer-Which statement about the properties of light and sound is incorrect?

Light travels fastest in a vacuum at approximately 299,792 kms. In water or any other medium, it slows down due to the mediums refractive properties. This fact highlights the unique behavior of light compared to sound, which indeed travels faster in solids due to better transmission through denser material.

is incorrect?

A Light travels faster in water than in a vacuum.

B Sound travels faster in solids than in gases.

C A convex lens focuses light rays at a focal point.

D The ampere is the unit of electric current.

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Which statement about the properties of light and sound

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