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CBSE Class 9 Answered

These are practical based questions please answer questions 25, 27
 
Asked by gpnkumar0 | 13 Mar, 2017, 05:12: PM
answered-by-expert Expert Answer
25. Correct option (c)
Sound heard will be less loud because some of the sound energy will be absorbed by the woolen cloth.
 
Note: Kindly ask each query as a separate query 
Answered by Yashvanti Jain | 14 Mar, 2017, 11:44: AM

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