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JEE Main 2022 Physics question

PhysicsUnits and MeasurementJEE Main 2022

In a vernier callipers, each cm on the main scale is divided into 20 equal parts. If tenth vernier scale division coincides with ninth main scale division. Then the value of vernier constant will be mm.

Answer: 5

Solution

One main scale division is 1/20 cm = 0.5 mm. The least count is LC = 1

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Question ID VK-025310