Vernier Calipers NEET Questions

Physics - Experimental Skills

Vernier Calipers MCQ Questions


13.
A Vernier calipers has 20 divisions on the vernier scale which coincide with 19 divisions on the main scale. If 1 MSD = 0.5 mm, the least count is:
A.
0.025 cm
B.
0.05 mm
C.
0.025 mm
D.
0.01 mm
😑 View Answer Rough Work Error
ANSWER :
C. 0.025 mm
14.
In a Vernier calipers, the main scale is graduated in mm and the vernier scale has 10 divisions. The least count is:
A.
1 mm
B.
0.001 mm
C.
0.01 mm
D.
0.1 mm
😑 View Answer Rough Work Error
ANSWER :
D. 0.1 mm
15.
Least count of a Vernier calipers is given by the formula:
A.
Value of 1 MSD ÷ Number of vernier scale divisions
B.
Value of 1 VSD ÷ Number of main scale divisions
C.
Value of 1 VSD - Value of 1 MSD
D.
Value of 1 MSD × Number of vernier scale divisions
😑 View Answer Rough Work Error
ANSWER :
A. Value of 1 MSD ÷ Number of vernier scale divisions
16.
Zero error of a Vernier calipers occurs when:
A.
The vernier scale has fewer divisions than the main scale
B.
The zero of the vernier scale does not coincide with the zero of the main scale when the jaws are closed
C.
The instrument is held vertically
D.
The main scale divisions are unequal
😑 View Answer Rough Work Error
ANSWER :
B. The zero of the vernier scale does not coincide with the zero of the main scale when the jaws are closed
17.
If the zero of the vernier scale is to the right of the zero of the main scale when the jaws are closed, the zero error is:
A.
Negative
B.
Infinite
C.
Zero
D.
Positive
😑 View Answer Rough Work Error
ANSWER :
D. Positive
18.
If the zero of the vernier scale is to the left of the zero of the main scale when the jaws are closed, the zero error is:
A.
Positive
B.
Cannot be determined
C.
Negative
D.
Zero
😑 View Answer Rough Work Error
ANSWER :
C. Negative