Electric current - It's symbol is denoted by A., Parsec - Used to measure distance of astronomical objects outside the solar system., Momentum - It is one of the derived quantities which starts and end with the letter 'M', Fourteen - Total number of Unit prefixes, Atomic mass unit - Mass of proton,electron and neutron can be determined by this!, Screw gauge - It is an instrument to find the length or thickness of smaller dimensions, Beam balance - It compares the sample mass with a standard reference mass, Candela - Unit for Luminous intensity, Angstorm - It is used to measure smaller distance and it starts with the letter 'A', Fahrenheit - Other unit for measuring Temperature,

Physics

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