Units and Measurement | Class 11 | Physics | IIT JEE π SUBSCRIBE or You'll miss out:
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Hello students, here in this video, we are going to study the topic, units and measurement from class 11 physics.
Measurement of physical quantities
Physics is a quantitative science, based on the measurement of physical quantities. Certain physical quantities have been chosen as fundamental or base quantities.
The fundamental quantities that are chosen are Length, Mass, Time, electric current, thermodynamic temperature, amount of substance, and luminous intensity.
Measurement is the assignment of a number to a characteristic of an object or event, which can be compared with other objects or events.
The scope and application of measurement are dependent on context and discipline. In the natural sciences and engineering, measurements do not apply to nominal properties of objects or events, which is consistent with the guidelines of the International vocabulary of metrology published by the International Bureau of Weights and Measures.
However, in other fields such as statistics as well as the social and behavioral sciences, measurements can have multiple levels, which would include nominal, ordinal, interval, and ratio scales.
All the above-mentioned topics are described in an interactive and efficient manner so that the students could easily understand them.
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