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Looking forward to providing you the best apt study content for every government exam at no cost thus making access to the exam content convenient for you, SSCADDA is available once again to assist you thoroughly in Railway ALP Stage 2 Exam 2018 where the motive is to enable you with Physics detailed notes on definitions, concepts, laws, formulae, rules and properties, important from the exam point of view. Stay in tune with SSCADDA to utilize the remaining time for Railway ALP Stage 2 and maximize your practice skills.
UNITS AND DIMENSIONS
Each base quantity is defined in terms of a certain basic, arbitrarily chosen but properly standardized reference standard called unit (such as metre, kilogram, second, ampere, kelvin, mole and candela). The units for the fundamental or base quantities are called fundamental or base units. The International System of Units (SI) based on seven base units is at present internationally accepted unit system and is widely used throughout the world.
UNITS AND DIMENSIONS
Each base quantity is defined in terms of a certain basic, arbitrarily chosen but properly standardized reference standard called unit (such as metre, kilogram, second, ampere, kelvin, mole and candela). The units for the fundamental or base quantities are called fundamental or base units. The International System of Units (SI) based on seven base units is at present internationally accepted unit system and is widely used throughout the world.
Here is a table depicting different quantities with units, symbol and dimensional formula:
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