the back of large auditorium is curved
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A large auditorium has a curved back to render the sound waves parallel so that these can be heard over a large distance. The speaker is placed at the focus of curved surface and the sound after reflection from curved surface becomes parallel
pranjalsiwakoti:
thanks
welcome
in which sxhool you study
from which class
smc
10th
ok
ok
anyways thanks for your answer
welcome
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