### 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......