In a specially designed vernier callipers 10 divisions of the vernier scale are equal to 4 divisions of the main scale. In the zero error. 5 th and the 10th division of the vernier coincides with $1 mm$ and $3 mm$ mark on the main scale respectively and in the measurement, the Ind and the 7th division of vernier scale coincides with $23 mm$ mark and $25 mm$ mark on the main scale respectively, report the length measured with due regards to the error.

$(21.2 \pm 0.2) mm$
$(23.2 \pm 0.2) mm$
$(23.8 \pm 0.4) mm$
$(23.4 \pm 0.6) mm$

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In a specially designed vernier callipers 10 divisions of the vernier scale are equal to 4 divisions of the main scale. In the zero error. 5 th and the 10th division of the vernier coincides with

1 mm

and

3 mm

mark on the main scale respectively and in the measurement, the Ind and the 7th division of vernier scale coincides with

23 mm

mark and

25 mm

mark on the main scale respectively, report the length measured with due regards to the error.

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Question Text	In a specially designed vernier callipers 10 divisions of the vernier scale are equal to 4 divisions of the main scale. In the zero error. 5 th and the 10th division of the vernier coincides with $1 mm$ and $3 mm$ mark on the main scale respectively and in the measurement, the Ind and the 7th division of vernier scale coincides with $23 mm$ mark and $25 mm$ mark on the main scale respectively, report the length measured with due regards to the error.
Topic	Kinematics and Laws of Motion
Subject	Physics
Class	Class 11

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