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1.Units, Dimensions and Measurement
easy
A dimensionless quantity
Anever has a unit
Balways has a unit
Cmay have a unit
Ddoes not exist
Solution
Since, we know that $-A$ dimenslontess quanidy like, strain, angle, retractere inder cte are unettess.
So, we can say that $-A$ domensionless quantety never has a unit
So, we can say that $-A$ domensionless quantety never has a unit
Standard 11
Physics