What is the unit/ symbol/ measure of/ definition for the following?
Second
second, s, time, duration of a given number of oscillations of the caesium-133 atom
What is the unit/ symbol/ measure of/ definition for the following? metre
metre, m, distance, the length of the path travelled by light in a vaccum during a certain fraction of a second
What is the unit/ symbol/ measure of/ definition for the following? mole
mole, mol, amount, the amount of substance which contains as many elementary particles as there are atoms in 0.012kg of carbon-12
What is the unit/ symbol/ measure of/ definition for the following? ampere
ampere, A, current, the current in two parallel conductors of infinite length and placed 1 metre apart in a vacuum, which would produce between them a force of 2 x10 (power neg 7) N/m
What is the unit/ symbol/ measure of/ definition for the following? candela
candela, cd. Luminous intensity, in a given direction, of a source that emits monochromatic light at a specific frequency
What is the unit/ symbol/ measure of/ definition for the following? kilogram
kilogram, kg, mass, the mass of the international prototype of the kilogram held in Sevres, France
What is the unit/ symbol/ measure of/ definition for the following? kelvin
kelvin, K, temp, 1/273.16 of the thermodynamic temperature of the triple point of water
