Question

please fast class 11​

Answer 1

1. Advantages of Sl system of units are:

(i) Sl is coherent system of units, i.e., a system based on certain set of fundamental units.

(ii) Sl is rational system of units. i.e., it assigns only

oe unit to a particular physical quantity.

(iii) Sl is metric system, i.e., multiples and sub multiples of the system can be expressed as a power of 10.

(iv) SI is internationally accepted system of units.

2 . one radian = 180/pi degrees