JEE Main 2021 Physics question
The vernier scale used for measurement has a positive zero error of 0.2 mm. If while taking a measurement it was noted that '0' on the vernier lies between 8.5 cm and 8.6 cm, vernier coincidence is 6, then the correct value of measurement is —— cm. (least count = 0.061 m)
Answer: (B)