JEE Main 2022 · PhysicsMultiple choiceSingle correctEasyApplication

JEE Main 30 June 2022, Shift 1, Physics Q32

Question 32 of 90 in this shift, Physics question 2 of 30, Section A.

If n main scale divisions coincide with (n+1) vernier scale divisions. The least count of vernier callipers, when each centimetre on the main scale is divided into five equal parts, will be :

(1) $\frac{2}{n+1}$ mmOfficial answer
(2) $\frac{5}{n+1}$ mm
(3) $\frac{1}{2n}$ mm
(4) $\frac{1}{5n}$ mm

Official answer

Option 1

NTA final key.

Chapter: Units and Measurements
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy