The true statement is: - Vidyadip

MCQ

The true statement is:

A
Sound waves in air are transverse waves
B
Sound wave does not required a material medium for its propagation
C
Sound travels faster in gas than in solid
✓
Sound travels faster in solid than in gas

✓

Answer

Correct option: D.

Sound travels faster in solid than in gas

When the density of the medium increases speed of sound also increases. Solid has more density than gas so sound travels faster in solid than in gas.
Molecules in solids are closer than that in gas.
$\therefore$ Oscillations in solids are more.
$\therefore$ Sound travels faster in solids than in gas

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