Errors in measurementEasy
Question
In which of the following instruments used in the lab there exists an error of random category known as back lash error
(i) Screw gauge (ii) Spherometer (iii) Searle′s apparatus (iv) Vernier callipers
(i) Screw gauge (ii) Spherometer (iii) Searle′s apparatus (iv) Vernier callipers
Options
A.(i) & (ii) only
B.(i), (ii) & (iii) only
C.(i) only
D.all four
Solution
This error occur in all the instruments which utilises screw or nut-bolt system.
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