Mathematics · Sound
हवा में ध्वनि की गति लगभग 340 m/s है। यदि कोई परावर्तक सतह 17 m दूर है, तो प्रतिध्वनि (echo) को स्रोत तक वापस आने में कितना समय लगेगा?
Verified Solution4 OptionsUpdated: October 2026
Mathematics · Sound
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