A aolid sphere is at temperature of t and it is cut into two halves ration of intensities emmited by half sphere that by complete sphere
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When a sphere is cut into two equal halves, what will be the effect on its total volume and surface area?
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7 ANSWERS

CB Singh, former Project manager
Answered Apr 5
Let r= Radius of sphere,
Surface area of sphere=4*π*r^2
And Volume= 4/3*π*r^3
After cutting the sphere
New vol=2*1/2*(4/3*π*r^3)=4/3*π*r^3
No change in volume..
New surface area=2*circulars Area*curved spherical area=2*π*r^2+4*π*r^2=6*π*r^2
Change in surface area=50% increase due to cut.
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7 ANSWERS

CB Singh, former Project manager
Answered Apr 5
Let r= Radius of sphere,
Surface area of sphere=4*π*r^2
And Volume= 4/3*π*r^3
After cutting the sphere
New vol=2*1/2*(4/3*π*r^3)=4/3*π*r^3
No change in volume..
New surface area=2*circulars Area*curved spherical area=2*π*r^2+4*π*r^2=6*π*r^2
Change in surface area=50% increase due to cut.
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