Physics · 2022
JEE Main · 27 July 2022, Shift 1 · Q31
A torque meter is calibrated to reference standards of mass, length and time each with 5% accuracy. After calibration, the measured torque with this…
A torque meter is calibrated to reference standards of mass, length and time each with $\displaystyle 5$% accuracy. After calibration, the measured torque with this torque meter will have net accuracy of :
Official answer
(2)
$\displaystyle 25$%
All Errors, Significant Figures and Measuring Instruments questionsPractice Errors, Significant Figures and Measuring Instruments →
More from Errors, Significant Figures and Measuring Instruments
- In the experiment of Ohm's law, a potential difference of 5.0 V is applied across the end of a conductor of length 10.0 cm and diameter of 5.00 mm.…2021
- Two resistances are given as R_1=(10 ± 0.5) Ω and R_2=(15 ± 0.5) Ω. The percentage error in the measurement of equivalent resistance when they are…2023
- The density ρ of a uniform cylinder is determined by measuring its mass m, length l and diameter d. The measured values of m, l and d are 97.42 ±…2026
- In a screw gauge the zero of main scale reference line coincides with the fifth division of the circular scale when two studs are in contact. There…2026
- Identify the physical quantity that cannot be measured using spherometer:2024
- In an experiment the values of two spring constants were measured as k_1=(10 ± 0.2) N / m and k_2=(20 ± 0.3) N / m. If these springs are connected in…2026
- Assertion A: If in five complete rotations of the circular scale, the distance travelled on main scale of the screw gauge is 5 mm and there are 50…2021
- A travelling microscope has 20 divisions per cm on the main scale while its vernier scale has total 50 divisions and 25 vernier scale divisions are…2022
JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.