Units - QS Study
top logo

Determination of Mass of a Body by the method of Oscillation

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......

Determination of Critical Volume

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......

Determination of Radius of Curvature of a Spherical Surface by Spherometer

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

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 Correct Value of the Measurable Quantity

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......

Errors in Measurements: Random Errors

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......

Errors in Measurements: Systematic Errors

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 and Dimensional Equations of Fundamental and Derived Units

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

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......

Importance and Limitations of Dimensional Equations

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......

System of Units

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

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......

Mechanical Efficiency of Screw Driver

Task: To determine the mechanical efficiency of screw driver. Required accessories: Two screw drivers of different size, two screw of the same length, soft wood.......

Wheel-rod Axis: Lever Mechenism

Wheel-rod axis is one type of simple machine. It is originally different form of lever. Here, wheel acts as the force-arm and rod-axis act as......

Pulley: Lever Mechanism

Pulley is one kind of simple machine. There is grooved small wheel (dish) from which a rope is hanged from two sides. The pulley rotates......