KVPY 2019 SA Exam Previous Papers

Question : 17 of 80

Marks: +1, -0

A specially designed Vernier caliper has the main scale least count of 1 mm. On the Vernier scale there are 10 equal divisions and they match with 11 main scale divisions. Then, the least count of the Vernier caliper is :

0.1 mm
0.909 mm
1.1 mm
0.09 mm

Validate

Solution:

n vernier Callipers, given that
10 V.S.D. = 11 mm
1 V.S.D. =

11/10

mm = 1.1 mm
L.C. = | 1 M.S.D. – 1 V.S.D. |.
Magnitude of L.C. = 0.1 mm

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