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Two childrens are at opposite ends …

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Two childrens are at opposite ends of an aluminium rod. One strikes the end of the rod with a stone. Find the ratio of times taken by the sound wave in air an aluminium to reach the second child. Given velocity of sound in air and aluminium are 346 m/s and 6420 m/s respectively

Posted by Subankar Sikdar 1 year, 8 months ago

CBSE > Class 09 > Science

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