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  • A solid iron ball and a solid aluminium ball of the same diameter are released together on a deep lake. Which ball will reach the bottom first?Option: 1

A solid iron ball and a solid aluminium ball of the same diameter are released together on a deep lake. Which ball will reach the bottom first?

Option: 1

Aluminium ball
 


Option: 2

Iron ball
 


Option: 3

Both balls will reach the bottom at the same time
 


Option: 4

The aluminium ball will never reach the bottom and will remain suspended in the lake


Answers (1)

best_answer

Since both balls have the same volume, they experience the same upthrust. Since the density of iron is greater than that of aluminium, the iron ball has a greater mass and therefore a greater weight; it therefore accelerates more and will reach the bottom before the aluminium ball. Hence the correct choice is (b).

Posted by

HARSH KANKARIA

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