if the radii of the internal and external surfaces of a hollow spherical shell are 3cm and 5cm then find volume of shell
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Volume of hollow sphere = 
= 
= 
=  cu. Cm
This sphere is melted and cast into 98 identical small spheres.
Volume of each sphere = 


cu. Cm.



r3 = 1
⇒ r = 1 cm
⇒ Diameter = 2 cm.
= 
= 
=  cu. Cm
This sphere is melted and cast into 98 identical small spheres.
Volume of each sphere = 


cu. Cm.



r3 = 1
⇒ r = 1 cm
⇒ Diameter = 2 cm.
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