Physics NEET test arrangement, earlier year questions, answers, and solution #3

PHYSICS NEET TEST ARRANGEMENT #3

QUESTION:

1.    A screw gauge has a least count of 0.01 mm, there are 50 divisions in its circular scale,  then the pitch of the screw is…………

                                A.        0.01 mm

                                B.        0.25 mm

                                C.        0.5  mm

                                D.        1.0  mm

ANSWER:

                          ANSWER : C

SOLUTION:

As per question the least count of the screw gauge is 0.01 mm, total number of divisions on its circular scale is 50.

Least count of any instrument is the littlest division that can be estimated utilizing the instrument.

             pitch = Least count X  total number of divisions in the  

                                                     circular scale

             Pitch of the screw = 0.01 mm X 50

             Pitch of the screw = 0.5 mm