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Sound — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceSound1 Mark
Question
The true statement is:
✓

Answer

  1. Sound travels faster in solid than in gas
Explanation:
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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