Question

Why are two sounds heard at short intervals at one end of a long hollow

iron pipe when it’s other end is struck with a solid body ?
pls pls help me with explaination​

Answer 1

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• There will be two sounds, one will through the air , and other will come through the material, Sound speed is faster in steel, therefore it will be heard earlier than the sound from air.

Answer 2

Answer:

• There will be two sounds, one will through the air , and other will come through the material, Sound speed is faster in steel, therefore it will be heard earlier than the sound from air.