Screw Gauge NEET Questions

Physics - Experimental Skills

Screw Gauge MCQ Questions


1.
The screw gauge is also known as:
A.
Spherometer
B.
Vernier micrometer
C.
Travelling microscope
D.
Micrometer screw gauge
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ANSWER :
D. Micrometer screw gauge
2.
The principle on which a screw gauge works is:
A.
Linear distance moved by a screw is directly proportional to the rotation given to it
B.
Magnification by a lens system
C.
Capillary action of liquid in a tube
D.
Reflection of light from a polished surface
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ANSWER :
A. Linear distance moved by a screw is directly proportional to the rotation given to it
3.
The pitch of a screw gauge is defined as:
A.
The number of divisions on the circular scale
B.
The linear distance moved by the screw in one complete rotation of the head
C.
The smallest division on the linear scale
D.
The diameter of the screw
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ANSWER :
B. The linear distance moved by the screw in one complete rotation of the head
4.
The least count of a screw gauge is defined as:
A.
Pitch multiplied by the number of circular scale divisions
B.
Pitch divided by the number of divisions on the circular scale
C.
Number of circular divisions divided by the pitch
D.
Diameter of the screw divided by the pitch
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ANSWER :
B. Pitch divided by the number of divisions on the circular scale
5.
The least count of a standard screw gauge is:
A.
0.1 mm
B.
0.001 mm
C.
1 mm
D.
0.01 mm
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ANSWER :
D. 0.01 mm
6.
Which of the following is the most precise instrument among these?
A.
Vernier calipers
B.
Measuring tape
C.
Metre scale
D.
Screw gauge
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ANSWER :
D. Screw gauge