Experiment: Determination of Mass of a Body by the method of Oscillation with the help of a Balance Normally the balance that is used in......

The critical volume is more difficult to determine. It is obtained with the help of a rule known as the law of rectilinear diameter discovered......

Experiment: Determination of the radius of curvature of a spherical surface by a spherometer. Theory: Radius of the curvature which is the portion of a......

Accurate digit in the experimental result Accuracy of a measured quantity depends on the accuracy of the associated quantities related to the measured quantity. But......

Determination of proportional error of a measurable quantity: Suppose x is a measurable physical quantity. and it is related to two other quantities y and......

Random errors: Inspite of taking enough care to avoid different errors measurement of a quantity again and again appears to be different. This type of......

For the measurement of any physical quantity two types of errors are observed. (I) Systematic errors and (2) Random errors. Here briefly describe on Systematic errors.......

Dimension: We have discussed earlier that according to the origin quantities are of two types-one is fundamental quantity and the other is compound quantity. Also......

Principle of Measurements We know, measurement is the process to know a quantity accurately. Without measurement it is not possible to have accurate knowledge about......

Necessity of Dimensional Equations The importance of dimensional equation in physics is enormous. Its importance’s are discussed below: (1) One form of unit can be......

In addition to System of Units, as per requirement of different branches of physics there is one or more necessary and appropriate standard quantity and......

Procedure to Write Units Some rules of writing unit as accepted in the international conference in 1960 are mentioned below: (i) Unit is to be......

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