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प्रश्न
The safe limit of loudness of audible sound is
पर्याय
0 to 80 dB
above 80 dB
120 dB
above 120 dB
उत्तर
0 to 80 dB
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संबंधित प्रश्न
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It is observed that during march-past we hear a base drum distinctly from a distance compared to the side drums.
(i) Name the characteristics of sound associated with the above obervation.
(ii) Give a reason for the above observation.
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