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Sound intensity is high at dead spots while it is low at sound foci.(a) True(b) FalseI got this question during an internship interview.The question is from Common Acoustical Defects in division Acoustics and Ventilation of Construction & Building Materials

Answer»

The correct choice is (B) False

To elaborate: Sound foci INVOLVES the concentration of sound waves at CERTAIN spots creating high sound intensity. Dead spots are the points where there is a deficiency of the reflected sound waves. HENCE, sound intensity is high at sound foci and LOW at dead spots.



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