Vernier Calipers NEET Questions

Physics - Experimental Skills

Vernier Calipers MCQ Questions


7.
Which measurement cannot be taken using a vernier caliper?
A.
Internal diameter
B.
Length
C.
Depth
D.
Density
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ANSWER :
D. Density
8.
If the least count of a vernier caliper is 0.02 mm, what is the difference between one main scale division and one vernier scale division?
A.
0.02 mm
B.
0.002 mm
C.
0.2 mm
D.
0.5 mm
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ANSWER :
A. 0.02 mm
9.
A Vernier caliper is used to measure:

NEET - 2016

A.
Mass
B.
Temperature
C.
Length
D.
Current
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ANSWER :
C. Length
10.
What is the purpose of the locking screw in a vernier caliper?
A.
To measure depth
B.
To prevent slipping of jaws
C.
To fix the main scale
D.
To measure external diameter
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ANSWER :
B. To prevent slipping of jaws
11.
Which of the following is true for a positive zero error in a vernier caliper?
A.
Zero of vernier scale is to the right of the main scale zero
B.
Zero of vernier scale is to the left of the main scale zero
C.
Both scales coincide
D.
No effect on readings
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ANSWER :
A. Zero of vernier scale is to the right of the main scale zero
12.
The principle of a vernier caliper is based on:
A.
Parallax error
B.
Difference in scale readings
C.
Coincidence principle
D.
Thermal expansion
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ANSWER :
C. Coincidence principle