Consider the examples given in the options
Think about factors on which it depends.
Think about the factors affecting the speed of sound.
Think about factors on which sound speed depends
Speed of sound in water is 1500m/s.
The sound easily travels through an object which has closely packed particles.
Speed of sound is higher on solid.
Think about the relative examples.
Check if the medium is solid, liquid or gaseous
Compare the speed of sound in both the media
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