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When a sound is reflected from a distant obgect....an echo is heard.let the distance between the reflectin surface and the source of sound production

remain same...will u still hear an echo on a hotter day.explain with reason???


On a hotter day, the temperature is high. here, the air particles become more energetic due to the higher temperature and hence sound travels at greater speed. distance remains the same. so echo is heard but after a time less than the time which was needed by the echo on  a normal day( lower temperature). t= d/v
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