Question

name the physical quantity which is measured in meter scale​

Answer 1

Answer:

Length

Explanation:

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. The nanometre is also commonly used to specify the wavelength of electromagnetic radiation near the visible part of the spectrum: visible light ranges from around 400 to 700 nm.