Skip to content
dronacharya.ai
← JEE Main 2022 · 27 Jul · Shift 1
PhysicsSingle correct+4 / -1Question 31 of 90

JEE Main 2022 · 27 Jul · Shift 1, Physics question 31

A torque meter is calibrated to reference standards of mass, length and time each with 5% accuracy. After calibration, the measured torque with this torque meter will have net accuracy of :

Choose one option
Answer and worked solution

Official answer: B

Torque =[ML2T−2]=[ML^2T^{-2}]: error 5+2×5+2×5=25%5+2\times5+2\times5=25\%.

(B)