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JEE Errors in Measurement Chapterwise Analysis, Weightage and Overview

This chapter receives questions almost every year in JEE. A total of 12 questions have been asked in 10 years. Understanding errors and approximations lies at the heart of doing any sort of calculations and thus is a must complete chapter. The usefulness of the chapter extends over to all branches of science.

 

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ERROR IN MEASUREMENT 1 2 1 0 2 1 2 1 1 0 1

List of important topics in Errors in Measurement JEE

  • Vernier caliper and screw gauge.
  • Error (absolute, percentage, relative)
  • Addition, subtraction, multiplication and division of errors.
  • Least count calculation of any instrument.

Errors in Measurement JEE Syllabus

  • Introduction to Error, Accuracy, Precision of Instruments, Types of Error, Systematic Errors, Random Errors, Least Count Error, Absolute Error, Relative Error, Percentage Error, Combination of Errors, Error of a sum or difference, Error of a product or quotient

Download Errors in Measurement JEE Notes

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Errors JEE Test Series 2022,2023,2024

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Practice Errors in Measurement JEE Questions with solutions

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Q.

While measuring the acceleration due to gravity by a simple pendulum, a student makes a positive error of 1% in the length of the pendulum and a negative error of 3% in the value of time period. His percentage error in the measurement of g by the relation  will be    

Q.

The heat generated in a circuit is given by , where  is current,  is resistance, and  is time. If the percentage errors in measuring  and  are 2%, 1%, and 1%, respectively, then the maximum error in measuring heat will be

Q.

A physical quantity  is calculated from . Calculate the percentage error in measuring  when the percentage errors in measuring  and  are 4, 2, and 3%, respectively

Q.

The specific resistance  of a circular wire of radius , resistance , and length  is given by . Given:  and . the percentage error in  is nearly

Q. Errors?

Errors