Biology NEET Full Syllabus Mock Test 180 Questions New Syllabus Mock Test - 7 PCB Single Correct MCQ
Published on: August 14, 2026

There are two vernier calipers both of which have divided into 10 equal divisions on the main scale. The vernier scale of one of the calipers has 10 equal divisions that correspond to 9 main scale divisions. The vernier scale of the other caliper has 10 equal divisions that correspond to 11 main scale divisions. The readings of the two calipers are shown in the figure. The measured values (in ) by calipers and , respectively are

A
2.87 and 2.87
B
2.87 and 2.83
C
2.85 and 2.82
D
2.87 and 2.86

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Text Solution

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The correct answer is:
NOT AVAILABLE

Reading of vernier scale can be calculated by the usual method.

Reading In second scale , length of VSD is greater than MSD.

So, usual formula will not be applicable.

Let the point, where scales coincide be .

Total reading

From figure,

So, reading

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