Definition of kilogram changed after 130 years

Last Updated: November 20, 2018

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Definition of kilogram changed after 130 years
20 November 2018 Current Affairs: The world's standard definition of the kilogram, the ampere, the kelvin and the mole has been changed, after representatives from 60 countries voted to redefine the International System of Units (SI) for weight, current, temperature and amount of chemical substance.
The new definition of Kilogram will be replaced by the Planck constant. It will adopted on May 20, which is World Metrology Day.
The new definition of kg involves accurate weighing machines called 'Kibble balance'.

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