We can easily hear the sound of an approaching train by putting your ear on the track well before you could hear its sound in the air. Why?

Air is less dense to propagate sound

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Sound travels faster in gases than solids

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None of these

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Sound travels faster in solids than gases

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Solution

The correct option is D
Sound travels faster in solids than gases

The sound from the train travels 17 times faster in the tracks than in the air, therefore the sound from train travels faster in solids than gases.

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Similar questions

(a) When we put our ear to a railway line, we can hear the sound of an approaching train even when the train is far off but its sound cannot be heard through the air. Why ?

(b) How could you convince a small child that when you speak, it is not necessary for air to travel from your mouth to the ear of a listener ?

Q. If you want to hear a train approaching from far away, why is it more convenient to put the ear to the track?

Q. Why sound of a train can be heard by putting your ear on the track well before you could hear its sound in the air?

Explain: We can feel an approaching railway train by putting our ear in contact with rail before we hear its sound through air.

If we put our ear to railway line, we can hear the sound of an approaching train even when the train is far off but its sound cannot be heard through the air, Why?

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We can easily hear the sound of an approaching train by putting your ear on the track well before you could hear its sound in the air. Why?

The correct option is D Sound travels faster in solids than gases The sound from the train travels 17 times faster in the tracks than in the air, therefore the sound from train travels faster in solids than gases.

The correct option is D
Sound travels faster in solids than gases

The sound from the train travels 17 times faster in the tracks than in the air, therefore the sound from train travels faster in solids than gases.