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Units and Measurements question

2025 · 4 Apr · Shift 2 · Q61

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JEE Main
Physics
Units and Measurements
2025 · 4 Apr · Shift 2 · Q61

Units and Measurements question

2025 · 4 Apr · Shift 2 · Q61

JEE MainPhysicsUnits and MeasurementsMCQ+4 / −1

For the determination of refractive index of glass slab, a travelling microscope is used whose main scale contains 300 equal divisions equals to 15 cm . The vernier scale attached to the microscope has 25 divisions equals to 24 divisions of main scale. The least count (LC) of the travelling microscope is (in cm ) :

A
0.002
B
0.0025
C
0.0005
D
0.001

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