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An ice block of volume 4Pi/3 cm^3 is in an artificial satellite at O(degrees celcius). When the entire ice block melts into water,then its surface area in cm^2 will be(Assuming densities of ice and water to be same): a)(4Pi/3) ^3 b)2Pi c)4Pi d)(36Pi) ^1/3 Plz explain..

An ice block of volume 4Pi/3 cm^3 is in an artificial satellite at O(degrees celcius).


When the entire ice block melts into water,then its surface area in cm^2 will be(Assuming densities of ice and water to be same):


a)(4Pi/3) ^3


 b)2Pi


c)4Pi


d)(36Pi) ^1/3


Plz explain..


 

Grade:12

1 Answers

Chetan Mandayam Nayakar
312 Points
10 years ago

because of surface tension, surface area of liquid will be minimum. for given volume surface area is minimum for a sphere.

volume =4pi/3, therefore radius= 1cm, area=area of sphere of radius 1cm =4pi cm^2

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