A sound wave is sent simultaneously through a long hollow pipe AB and

1.	A sound wave is sent simultaneously through a long hollow pipe AB and a solid pipe CD of same length and having same cross-sectional area. A person standing at point P as shown in the figure will hear the sound.1. at the same time from pipes, AB and CD 2. First from pipe CD and then from pipe AB3. first from pipe AB and then from pipe CD 4. From pipe AB only and not from pipe CD
Answer» Correct option: 2. First from pipe CD and then from pipe AB Explanation: Speed of sound is more in solids.

A sound wave is sent simultaneously through a long hollow pipe AB and a solid pipe CD of same length and having same cross-sectional area. A person standing at point P as shown in the figure will hear the sound.1. at the same time from pipes, AB and CD 2. First from pipe CD and then from pipe AB3. first from pipe AB and then from pipe CD 4. From pipe AB only and not from pipe CD

Answer»

Correct option: 2. First from pipe CD and then from pipe AB

Explanation:

Speed of sound is more in solids.

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