The shape of the orbital, if azimuthal quantum number is unity is:

spherical

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dumbbell

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double dumbbell

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highly complicated

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Solution

The correct option is A dumbbell
For $l = 1$ , the sub-shell is p-orbital which has a dumbbell shape.
For $l = 0$ , the sub-shell is s-orbital which is spherical and for $l = 2$ , the sub-shell is d orbital which has a double dumbbell shape.

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