A boy makes a scale with graduation in cm on it (i.e. 100 division in 1 m) To what accuracy this scale can measure ? How can this accuracy be increased ?

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Solution

$a c c u r a c y o f t h e s c a l e i s = 1 / n u m b e r o f d i v i s o n s = \frac{1}{100} = 0.01 m T o i n c r e a s e t h e a c c u r a c y, n o . o f d i v i s o n s o f t h e s c a l e m u s t b e i n c r e a s e d .$

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A boy makes a scale with graduation in cm on it (i.e. 100 division in 1 m) To what accuracy this scale can measure ? How can this accuracy be increased ?

accuracy of the scale is = 1/number of divisons= 1100 = 0.01 mTo increase the accuracy, no. of divisons of the scale must be increased.

$a c c u r a c y o f t h e s c a l e i s = 1 / n u m b e r o f d i v i s o n s = \frac{1}{100} = 0.01 m T o i n c r e a s e t h e a c c u r a c y, n o . o f d i v i s o n s o f t h e s c a l e m u s t b e i n c r e a s e d .$