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Question:

The cub (cubical) volume of a hemisphere, having diameter 1 cm, will be ............. cm³

π6

π12

2π3

4π3

Solution:

Here diameter of the hemisphere is given as 1 cm
∴r=1/2
Volume of the hemisphere=2/3πr³=2/3×π×1/2×1/2×1/2=π/12
Thus, the answer is π/12.