A person, pressing his ear on the
railway tracks can hear an
approaching train. This is possible
due to.
1. vibration of railway tracks
2.more speed of sound in solid
medium
3. vibration of air
4. hearing ability of the man
Answers
Answered by
2
Answer:
2.more speed of sound in solid medium
Answered by
1
Answer:
1. vibration of railway tracks
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