International System of Units Current Affairs, GK & News

What is National Atomic Time Scale?

The Prime Minister Narendra Modi recently inaugurated the National Atomic Scale at the National Meteorology Conclave. What is Atomic Time? Atomic Time provides the exact speed at which the clock ticks. In technical words, it measures the actual length of a second. Atomic Clocks deviate only one second in up to 100 million years. The ..

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Mole introduced by CSIR-NPL

On 2019 World Meterology Day, the Council of Scientific and Industrial Research and National Physical Laboratory (CSIR-NPL) has recently introduced redefined International System of Units for the country. The redefined systems are Kilogram (SI unit of weight), Kelvin (SI unit of temperature), Mole (SI unit of amount of substance), and Ampere (SI unit of current). ..

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20 May: World Metrology Day celebrated

The World Metrology Day is observed every year on 20 May, which commemorates anniversary of signing of Metre Convention in 1875. About World Metrology Day Background: The day commemorates anniversary of signing of the international treaty called Metre Convention in Paris on 20 May 1875, by which International Bureau of Weights and Measures (BIPM) was ..

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2019 edition of World Metrology Day (WMD)

The World Metrology Day (WMD) is observed every year on May 20 to commemorate anniversary of the signing of the Metre Convention in 1875. The treaty provides the basis for a coherent measurement system worldwide that underpins scientific discovery and innovation, industrial manufacturing and international trade, as well as the improvement of the quality of ..

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Kilogram (WATT Balance)

International Bureau of Weights and Measures (BIPM) had decided that the kilogram will no longer be pegged to this cylinder made of 90% platinum and 10% iridium. Background In the last 60 years, several standard units — the second, metre, ampere, Kelvin, mole, candela and, the kilogram — have all ceased to be defined by ..

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