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Physics
Units commonly used for measuring wavelength of light and distance between neutron and proton of an atom are
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Q. Units commonly used for measuring wavelength of light and distance between neutron and proton of an atom are
Physical World, Units and Measurements
A
fermi, angstrom
14%
B
a.m.u., A.U.
29%
C
femto metre, nanometre
27%
D
angstrom, fermi.
31%
Solution:
$1 \,\mathring{A} = 10^{-10}\, m$ and $1 \,fm = 10^{-15} \,m$