Question

why the walls of marriage palaces and movie theatres can't be heard outside the hall​

Answer 1

Answer:

The roof and the walls of an auditorium or cinema hall are generally covered with sound-absorbent materials like draperies or compressed fiberboard to reduce the effect of reverberation. These materials reduce the formation of echoes by absorbing the sound waves

Answer 2

HOPE IT HELPS!!

MARK ME AS BRAINLIEST