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The yoctometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: ym) or yoctometer (American spelling) is an SI measure of length that is equal to 10−24 (yocto) of a metre. A yoctometre is equivalent to 1/100,000 the diameter of a proton or neutron.
- 1 ym = 1×10−24 metre
In terms of relative length of units, a yoctometre ranks as follows: Planck length << yoctometre << zeptometre. A yoctometre is 1/1000 of a zeptometre (1 zeptometre (zm) = 1,000 yoctometres). The yoctometre,is the distance light travels in about:1÷2.99×1035 seconds.
There are some objects in the universe that can easily define yoctometre.They are considered as the smallest objects in the universe.
They are smaller than any particle,composes atoms.They are comnonly about a yoctometer and some are zeptometres.
It is rarely used.It is commonly a measurement of quarks but used in measuring objects smaller than atom.As the smallest SI unit,yoctometer is used in worldwide scientific measurement and laboratory observations.It is used in measuring sub-atomic particles.
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