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JEE-MAIN SERIES
Physics

Error Analysis

12 previous year questions.

Volume: 12 Ques
Yield: Medium

High-Yield Trend

3
2026
4
2025
5
2024

Chapter Questions
12 MCQs

01
PYQ 2024
medium
physics ID: jee-main
The radius ( ), length ( ), and resistance ( ) of a metal wire were measured in the laboratory as:
The percentage error in the resistivity of the material of the wire is:
1
2
3
4
02
PYQ 2024
medium
physics ID: jee-main
A physical quantity is found to depend on quantities , , by the relationThe percentage errors in , , and are 3%, 4%, and 5% respectively. Then, the percentage error in is:
1
66%
2
43%
3
34%
4
14%
03
PYQ 2024
medium
physics ID: jee-main
Young's modulus is determined by the equation given by: where is the mass and is the extension of the wire used in the experiment. Now, the error in Young's modulus ( ) is estimated by taking data from the plot on graph paper. The smallest scale divisions are and along the load axis and extension axis, respectively. If the value of and are and , respectively, then the percentage error of is:
1
0.2 %
2
0.02 %
3
2 %
4
0.5 %
04
PYQ 2024
hard
physics ID: jee-main
In an experiment to measure focal length ( ) of a convex lens, the least counts of the measuring scales for the position of the object ( ) and for the position of the image ( ) are and , respectively. The error in the measurement of the focal length of the convex lens will be:
1
2
3
4
05
PYQ 2024
medium
physics ID: jee-main
A vernier callipers has 20 divisions on the vernier scale, which coincides with 19th division on the main scale. The least count of the instrument is 0.1 mm. One main scale division is equal to ____mm.
1
1
2
0.5
3
2
4
5
06
PYQ 2025
medium
physics ID: jee-main
The maximum percentage error in the measurement of the density of a wire is:
1
7
2
5
3
4
4
8
07
PYQ 2025
hard
physics ID: jee-main
The maximum percentage error in the measurement of the density of a wire is:
1
7
2
5
3
4
4
8
08
PYQ 2025
medium
physics ID: jee-main

A physical quantity C is related to four other quantities p, q, r and s as follows The percentage errors in the measurement of p, q, r and s are 1%, 2%, 3% and 2% respectively. The percentage error in the measurement of C will be _______ %.

09
PYQ 2025
hard
physics ID: jee-main
A physical quantity is related to four observables , , , and as follows: Where:
- ,
- ,
- ,
- .
Then the percentage error in is:
10
PYQ 2026
easy
physics ID: jee-main
A set of measurements of a certain parameter is: . Find the relative error for the set of measurements.
1

2

3

4

11
PYQ 2026
medium
physics ID: jee-main
There are two springs of spring constants and . If they are connected in parallel, then the percentage error in the equivalent spring constant of the combination is ........... %.}
12
PYQ 2026
medium
physics ID: jee-main
Two physical quantities and have measured values 23.01 and 37.3 respectively. Then the value of is:
1
60.3
2
60.31
3
60.03
4
60.310

About Error Analysis - JEE-MAIN

Error Analysis is a vital chapter for JEE-MAIN aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Error Analysis PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Error Analysis carry the most weight. Then, tackle the questions iteratively to solidify your understanding.