Screw Gauge NEET Questions

Physics - Experimental Skills

Screw Gauge MCQ Questions


13.
A screw gauge has a pitch of 0.5 mm and 50 divisions on its circular scale. Its least count is:
A.
0.5 mm
B.
0.001 mm
C.
0.01 mm
D.
0.05 mm
😑 View Answer Rough Work Error
ANSWER :
C. 0.01 mm
14.
If the screw gauge has a pitch of 1 mm and the circular scale has 200 divisions, the least count is:
A.
0.05 mm
B.
0.001 mm
C.
0.01 mm
D.
0.005 mm
😑 View Answer Rough Work Error
ANSWER :
D. 0.005 mm
15.
A screw gauge advances by 2 mm in 4 rotations, with 100 divisions on its circular scale. The least count is:
A.
0.005 mm
B.
0.01 mm
C.
0.5 mm
D.
0.02 mm
😑 View Answer Rough Work Error
ANSWER :
A. 0.005 mm
16.
If the head of a screw gauge advances by 5 mm in 10 complete rotations, the pitch is:
A.
0.05 mm
B.
0.5 mm
C.
5 mm
D.
1 mm
😑 View Answer Rough Work Error
ANSWER :
B. 0.5 mm
17.
A screw gauge with pitch 1 mm and 50 circular divisions has a least count of:
A.
0.01 mm
B.
0.5 mm
C.
0.05 mm
D.
0.02 mm
😑 View Answer Rough Work Error
ANSWER :
D. 0.02 mm
18.
To increase the precision (decrease the least count) of a screw gauge, one should:
A.
Increase the pitch and decrease the number of circular divisions
B.
Decrease both pitch and number of divisions
C.
Decrease the pitch and/or increase the number of circular divisions
D.
Increase both pitch and number of divisions
😑 View Answer Rough Work Error
ANSWER :
C. Decrease the pitch and/or increase the number of circular divisions