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Rev. Notes > IGCSE > Length and time
 
 
Previous Topic Length and time Next Topic

Topics
 

Physical quantities

Conversion of units

Length

Length-Measurement Micrometer Micrometer - Pitch
Micrometer - Least count Micrometer - Zero error Micrometer - Data Table
Time Multiples / submultiples of time Stop-clock
Standard form Parallalax error Simple pendulum
Amplitude of simple pendulum Time period of simple pendulum Frequency of simple pendulum
 

Micrometer - Data Table

When we are finding the diameter of the wire, we proceed according to the following table.

 

Linear scale reading, (mm)

 

Number of 

divisions on circular scale,

Y / div

Fraction to be added, (mm)

 

Y X L.C.  

Diameter (mm)

 

X+ Y * L.C 

5 25 25 X 0.01 = 0.25 5 + 0.25 = 5.25
1.0 65 65 X 0.01 = 0.65 1 + 0.65 = 1.65


 

 
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View Comments on this Chapter - Total Comments (12)
 
Sarika Said :
out put is given in the book which u have copied.so it was not useful.
 
  06/05/17 06:20 AM
   
yo mama Said :
well it is informative but out of date but otherwise helpful
 
  30/03/16 09:56 PM
   
Edward Said :
Very good helped me so much!!!
 
  14/03/15 02:30 PM
   
Cara Delivingne Said :
This website is very helpful. However, there are still a few changes you can make to it, now that the syllabus has completely been modified. Thank you for your notes though! Xx
 
  11/12/14 08:34 PM
   
zuhi Said :
where are the SI units,symbols,Prefixes,and diagrams ?
 
  27/09/14 09:05 AM
   
ghost Said :
bluffmaster u will find past papers at www.xtremepapers.com
 
  22/09/14 11:12 AM
   
Daisy Said :
I like ur comment Muffin :)
 
  15/02/14 12:05 PM
   
Bluffmaster Said :
Good informative. But no past papers, no experiments. This is not IGCSE! You should improve this site.
 
  15/02/14 12:04 PM
   
bituu darak Said :
Good information try to give all round info for vernier calliper and other important Info
 
  05/09/13 11:29 AM
   
Muffin Said :
This is a very nice website and no one should be saying anything about it and ppl who do say bad things they are dummasses
 
  16/07/13 11:50 AM
   
whatever Said :
you are wierd dumbass
 
  08/05/12 10:46 PM
   
shaheer salim Said :
there s a mistake its 1cm(square) = 100 mm(square)
 
  01/03/12 01:04 AM
 

 

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