172
Question
Name the physical quantity(s) which is(are) measured in the nm.
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Solution
The correct option is A Length
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.
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.
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