Question

A spherical particle has a diameter of 100 nanometers.calculate the volume and surface area of the particle

Answer 1

volume of sphere =
$\frac{4}{3} \pi {x}^{3}$
so ATQ

4/3/×31.4×1000000
=4/3×31300000 nanometer cube
=418566666 nm cube

Surface area of sphere=
$4\pi {x}^{2}$
=4×3.14×10000
=1256000 nm sq.



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