Statement - I : Solid angle is a dimensionless quantity and it is a supplementary quantity
Statement - II :All supplementary quantities are dimensionless

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Both statements I and II are correct

Statement-I is correct and statement-II is incorrect

Statement-I is incorrect and statement-II is correct

Both statements I and II are incorrect

answer is B.

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Detailed Solution

Throughout the International economy, dimensionless units have been combined alongside base units just to generate derived units are known as supplementary quantities.

Supplementary quantities are of two types, such as:

Plane angle - radian (rad)
Solid angle - steradian (sr)

These are not having dimensions but has units.

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