हिंदी

Give a scientific reason. In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail. - Marathi (Second Language) [मराठी (द्वितीय भाषा)]

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प्रश्न

Give a scientific reason.

In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.

कारण बताइए

उत्तर

  1. In the past, individuals would place their ear to the rail to detect the arrival of a distant train, as they understood that sound travels more quickly through solids than through gases.
  2. Thus, putting their ear to the rails used to give them the idea of the arrival time of a train in advance.
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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 18: Sound: Production of Sound - Exercise [पृष्ठ १२५]

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