Q. What is an Error in measurement? Explain Types of Error: 


Answer:

Error: 

The difference between the actual value and the observed value is called an error.  Or Error is the doubt that exists in the result of any measurements.

The error occurs due to:

i) Negligence or inexperience
ii) The faulty apparatus
ii) inappropriate method. 


Types of Errors:

Errors are classified as:

1. Systematic Error

2. Random Error:

 

1. Systematic Error: 

The error is made in one direction either positive or negative. These are of two types. 

a) Instrumental Error: The error occurs due to zero error of the instrument or incorrect marking. 

b) Personal Error: The error occurs due to inexperience, lack of knowledge, or carelessness in the experiment setup or apparatus.


Random Error: 

If the repeated measurement of a quantity gives a different value under the same condition, the error is called Random Error.

The random error occurs due to some unknown cause.


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Shortcut Links For 


1. Website for School and College Level Physics   
2. Website for School and College Level Mathematics  
3. Website for Single National Curriculum Pakistan - All Subjects Notes 

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