. the smallest sleeve division of a micrometer is 1/40 inch. There are 25 divisions in the thimble and the pitch of the screw is equal to one division on the sleeve. Determine the least count and show a scale diagram indicating reading of 0.206 inch (pls draw a diagram so I can clearly understand

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Chapter1: Units And Measurement
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Problem 65P: A floating-point operation is a single arithmetic operation such as addition, subtraction,...
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Hi, can you please help me understand solving the Least Count using Micrometer.. I don't get it though. 

this is an example:

1. the smallest sleeve division of a micrometer is 1/40 inch. There are 25 divisions in the thimble and the pitch of the screw is equal to one division on the sleeve. Determine the least count and show a scale diagram indicating reading of 0.206 inch (pls draw a diagram so I can clearly understand) 

 

thank you so much for helping me, really..

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