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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.
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उत्तर
- 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.
- Thus, putting their ear to the rails used to give them the idea of the arrival time of a train in advance.
संबंधित प्रश्न
How does sound travel in air?
A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease? Give a reason.
Explain the following and illustrate your answer by drawing appropriate diagram:
Frequency
Explain the following and illustrate your answer by drawing appropriate diagram:
Pitch
Explain the following and illustrate your answer by drawing appropriate diagram:
Quality of a musical note.
Give scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
How can one distinguish the sounds of two musical instruments even if they are of the same pitch and same loudness?
How do you account for the fact that two strings can be used to give notes of the same pitch and loudness but of different quality?
The loudness of a sound depends on its pitch.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
