Vernier Calipers NEET Questions

Physics - Experimental Skills

Vernier Calipers MCQ Questions


13.
The main scale reading of a Vernier caliper is 5.2 cm, and the 3rd Vernier division coincides with the main scale. If the least count is 0.01 cm, what is the final reading?

NEET - 2017

A.
5.21 cm
B.
5.23 cm
C.
5.25 cm
D.
5.30 cm
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ANSWER :
B. 5.23 cm
14.
What is the main scale reading when the zero of the vernier scale coincides with the third main scale division?
A.
3 mm
B.
2 mm
C.
4 mm
D.
5 mm
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ANSWER :
A. 3 mm
15.
Which part of the vernier caliper is used to measure the internal diameter of an object?
A.
Upper jaws
B.
Lower jaws
C.
Depth rod
D.
Locking screw
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ANSWER :
A. Upper jaws
16.
How is zero error corrected in a vernier caliper?
A.
By adjusting the screw
B.
By recalibrating
C.
By subtracting zero correction
D.
By using an auxiliary scale
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ANSWER :
C. By subtracting zero correction
17.
In a Vernier caliper, how many divisions of the Vernier scale match with a certain number of divisions of the main scale?

NEET - 2018

A.
5 with 4
B.
9 with 8
C.
10 with 9
D.
10 with 11
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ANSWER :
C. 10 with 9
18.
If the zero of the vernier scale is ahead of the main scale zero, what type of error is present?
A.
Positive zero error
B.
Negative zero error
C.
Random error
D.
Parallax error
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ANSWER :
A. Positive zero error