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Explain by giving a scientific reason. The intensity of reverberation is higher in a closed and empty house. - Science and Technology

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प्रश्न

Explain by giving a scientific reason.

The intensity of reverberation is higher in a closed and empty house.

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उत्तर

In an empty house, there are no sound absorbers present such as furniture, curtains etc. Also, if the room is closed, the sound cannot escape the room. Thus, the sound goes through multiple reflections from the rigid walls of a closed and empty room without the reflections of the sound being absorbed. Hence, the intensity of reflections does not fade which would have faded if the room was not empty (has sound absorbers). Due to this, the intensity of reverberation is higher in a closed and empty room.

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अध्याय 12: Study of Sound - Exercise [पृष्ठ १३७]

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बालभारती Science and Technology [English] 9 Standard Maharashtra State Board
अध्याय 12 Study of Sound
Exercise | Q 2. b. | पृष्ठ १३७
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