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Question

Determine the volume of a water droplet assuming it to be spherical with a diameter of 2 mm ?

A
4.19 x 106 m3
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B
2.09 x 106 m3
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C
4.19 x 109 m3
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D
2.09 x 109 m3
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Solution

The correct option is C 4.19 x 109 m3

Given:
Diameter of the spherical droplet is 2 mm
so, radius of water droplet (R) = 1 mm

We know that volume of a sphere (V) is given by
V =43 πR3 (substituting R = 1 mm)
V =43x π x 13 = 4.19 mm3

Now 1 mm3 = 109 m3

So,
V = 4.19 x 109 m3
Therefore, the volume of water droplet is 4.19 x 109 m3


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