Flash Education

Question

Kunal and Abhimanyu were waiting to go across a railway crossing. Kunal jumped over the barrier and curiously put his ear on the railway track. Abhimanyu opposed Kunal and pulled him away from the railway track. (𝒊) Why did Kunal put his ear on the railway track? (𝒊𝒊) Can sound travel faster through (a) Copper (b) water. (𝒊𝒊𝒊) Why did Abhimanyu pull Kunal away from the railway track?

Sound CBSE Class 9

CBSE, Class 9, Exam Idea, Science

August 7, 2024

Answer

(𝒊)To hear the sound of the coming train because sound travel within the rail track and get the idea of distance of incoming train.

(𝒊𝒊) Copper.

(𝒊𝒊𝒊) For safety as he cares for his friend..

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