Question

A set of fundamental and derived units is known as _______.
A. supplementary units
B. system of units
C. complementary units
D. metric units

Answer 1

Answer:

Fundamental Units + Derived Units   is called system of units

Explanation:

Fundamental Units + Derived Units   is called system of units

The fundamental quantities are

length, mass, time, temperature, electric current, luminous intensity and amount of substance and their

S.I. units are meter, kilogram, second, kelvin, ampere, candela and mole respectively.

The units of derived quantities are called derived units.

Derived Unit are the combination of Fundamental Unit

For example Velocity unit  is    Length Unit / Time Unit

Fundamental Units + Derived Units   is called system of units

Answer 2

Answer:

system of quantity is correct answer