Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Physics Units, Dimensions and Measurements
Least count of a vernier caliper is \(\frac{1}{20N}\) cm. The value of one division on the main scale is 1 mm. Then the number of divisions of main scale that coincide with N divisions of vernier scale is :
1
\(\left(\frac{2 {N}-1}{20 {N}}\right)\)
2
\(\left(\frac{2 {N}-1}{2}\right)\)
3
(2N – 1)
4
\(\left(\frac{2 {N}-1}{2 {N}}\right)\)
5
Question Not Attempted