A A dimesnsionless physical quantity may have a unit. It cannot be expressed in term of SI. quantities. e.g. Radian in the unit for an angle, but it is dimesionless because it is defined to be the ratio of two lengths.
AP EAMCET-24.09.2020
Units and Measurements
139403
How many astronomical units are there in 1 metre
A A dimesnsionless physical quantity may have a unit. It cannot be expressed in term of SI. quantities. e.g. Radian in the unit for an angle, but it is dimesionless because it is defined to be the ratio of two lengths.
AP EAMCET-24.09.2020
Units and Measurements
139403
How many astronomical units are there in 1 metre
A A dimesnsionless physical quantity may have a unit. It cannot be expressed in term of SI. quantities. e.g. Radian in the unit for an angle, but it is dimesionless because it is defined to be the ratio of two lengths.
AP EAMCET-24.09.2020
Units and Measurements
139403
How many astronomical units are there in 1 metre
A A dimesnsionless physical quantity may have a unit. It cannot be expressed in term of SI. quantities. e.g. Radian in the unit for an angle, but it is dimesionless because it is defined to be the ratio of two lengths.
AP EAMCET-24.09.2020
Units and Measurements
139403
How many astronomical units are there in 1 metre