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In an experiment to find out the diameter of wire using a screw gauge the following observation were noted

Q. In an experiment to find out the diameter of wire using a screw gauge the following observation were noted :

In an experiment to find out the diameter of wire using a screw gauge the following observation were noted

(a) Screw moves 0.5 mm on the main scale in one complete rotation
(b) Total divisions on circular scale = 50
(c) The main scale reading is 2.5 mm
(d) 45th division of the circular scale is in the pitch line
(e) Instrument has 0.03 mm negative error

Then the diameter of the wire is :
(A) 2.92 mm (B) 2.54 mm
(C) 2.98 mm (D) 3.45 mm                   (JEE-2022)

 

 

Aditya Bhatt Answered question 29 January 2024
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