Sign In
Learn bits
Science & Tech.
Mahesh

24/11/22 13:43 PM IST

Scientists decide on new metric prefixes

In News 
  • International scientists gathered in France voted recently for new metric prefixes to express the world’s largest and smallest measurements, prompted by an ever-growing amount of data.
New metric prefixes 
  • Prefixes for Largest numbers: Ronna (10 to the power 27 zeros) and Quetta (10 to the power 30 zeros)
  • Prefixes for smallest numbers: Ronto (10 to the negative 27th power) and Quecto (10 to the negative 30th power)
  • The International System of Units (SI) is the agreed global standard for the metric system.
SI Unit System 
  • SI Unit is a global measuring system that is widely used in technical and scientific research in order to prevent confusion with units.
  • Having a universal system of units is necessary because it standardizes the units of measurement and it becomes easier to comprehend quantities.
  • Meter is the SI unit of length and is defined by taking the fixed value of the speed of light in vacuum. It is expressed as m.s-1. 
  • A kilogram is the SI unit of mass and is defined by taking the fixed value of the Planck constant. It is expressed as kg.m2.s-1.
  • Mole is the SI unit of amount of substance and is defined by the fixed value of Avogadro constant NA. One mole contains 6.02214076×1023 elementary entities and is expressed as mol-1.
Source- TOI 

More Related Current Affairs View All

05 May

Key objectives of caste count

'The Union Cabinet has decided that the next Census will include questions on caste to its enumeration of India’s population, for the first time in almost a century. ' T

Read More

05 May

2 new genome-edited rice varieties

'Agriculture Minister Shivraj Singh Chouhan recently released two genome-edited varieties of rice, the first achievement of its kind in the country.' These two varieties, which

Read More

05 Mar

First-ever comprehensive survey of India’s river dolphins

'Prime Minister Narendra Modi released the results of the first-ever comprehensive population estimation of riverine dolphins – Gangetic and Indus dolphins – done in In

Read More

India’s First Ai-Driven Magazine Generator

Generate Your Custom Current Affairs Magazine using our AI in just 3 steps