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Units and Measurements — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsUnits and Measurements1 Mark
Question
What is the difference between nm, mN and Nm?
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Answer

nm stands for nanometre, $1 \mathrm{~nm}=10^{-9} \mathrm{~m}, \mathrm{mN}$ stands for milli-newton, $1 \mathrm{mN}=10^{-3} \mathrm{~N}, \mathrm{Nm}$ stands for newton metre.

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