JEE-MAIN SERIES Physics
Error Propagation
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
3
2026 2
2025 Chapter Questions 5 MCQs
01
PYQ 2025
medium
physics ID: jee-main
A quantity is formulated as . , , and are independent parameters which have fractional errors of 0.1, 0.2, and 0.5, respectively in measurement. The maximum fractional error of is:
1
0.7
2
0.1
3
0.8
4
0.6
02
PYQ 2025
easy
physics ID: jee-main
The energy of a system is given as , where is the time and . The errors in the measurement of and are 1.2 percent and 1.6 percent, respectively. At s, the maximum percentage error in the energy is:}
1
4%
2
11.6%
3
6%
4
8.4%
03
PYQ 2026
medium
physics ID: jee-main
The percentage error in the calculated volume of a sphere, if there is error in its diameter measurement, is _____.
1
2
3
4
04
PYQ 2026
medium
physics ID: jee-main
The diameter of a wire measured by a screw gauge of least count cm is cm. The length measured by a scale of least count cm is cm. When a weight of N is applied to the wire, the extension in length is cm measured by a micrometer of least count cm. The error in the measured Young’s modulus is N/m . The value of is:
1
2
3
4
05
PYQ 2026
medium
physics ID: jee-main
In an experiment to determine the resistance of a given wire using Ohm's law, the voltmeter and ammeter readings are noted as 10 V and 5 A, respectively. The least counts of voltmeter and ammeter are 500 mV and 200 mA, respectively. The estimated error in the resistance measurement is :
1
0.25
2
2
3
2.5
4
0.18