Question

Kiran went with her parents to their newly build empty house. after exterior the house, she was completely confused when the heard a vague& increasingly loud sound while talking to her parents . she did not understand why this making such a noice. she asked some questions to her dad about this, answer that question.
2) what kind of sound this is?​

Answer 1

Answer

this sound is echo. As the house is fully empty there are no good absorbers of sound so the sound is echoing again and again which make us feel that the sound is too loud.