Question

name the physical quantities which are expressed nanometer​

Answer 1

Answer:

Nanometre or nm is a unit of length in the metric system. 1 nm=10−9 m. The nanometre is often used to express dimensions on an atomic scale: the diameter of a helium atom, for example, is about 0. 1 nm, and that of a ribosome is about 20 nm.

Answer 2

Answer:

SI Base Unit  

Quantity Name Symbol

length meter m

mass kilogram kg

time second s

electric current ampere a

temperature kelvin k

amount of substance mole mol

luminous intensity candela cd

Explanation:

SI Base Unit  

Quantity Name Symbol

length meter m

mass kilogram kg

time second s

electric current ampere a

temperature kelvin k

amount of substance mole mol

luminous intensity candela cd