Sound from the neighbouring room can be heard because

sound travels in straight line.

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reflections of sound at walls.

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refraction of sound at walls.

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none of the above

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Solution

The correct option is B reflections of sound at walls.
Due to multiple reflections of sound from walls, the sounds from adjoining room can be heard.

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Sound from the neighbouring room can be heard because

The correct option is B reflections of sound at walls.Due to multiple reflections of sound from walls, the sounds from adjoining room can be heard.

The correct option is B reflections of sound at walls.
Due to multiple reflections of sound from walls, the sounds from adjoining room can be heard.