On the main scale of a travelling microscope $1 c m$ is divided into 20 division ,What is the least count of the main scale of this device?

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Solution

There are $20$ divisions on the vernier scale. Hence, the least count of a traveling microscope is.

$L . C . =$ smallest division on the main scale is divided by the number of divisions on the vernier scale.

$L . C = \frac{1}{20} = 0.05 m m = 0.005 c m$

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On the main scale of a travelling microscope 1cm is divided into 20 division ,What is the least count of the main scale of this device?

There are 20 divisions on the vernier scale. Hence, the least count of a traveling microscope is.L.C.= smallest division on the main scale is divided by the number of divisions on the vernier scale.L.C=120=0.05mm=0.005cm

On the main scale of a travelling microscope $1 c m$ is divided into 20 division ,What is the least count of the main scale of this device?

There are $20$ divisions on the vernier scale. Hence, the least count of a traveling microscope is.

$L . C . =$ smallest division on the main scale is divided by the number of divisions on the vernier scale.

$L . C = \frac{1}{20} = 0.05 m m = 0.005 c m$