There are different length measuring instruments in laboratory. For example wooden scale ( least count 0.1 cm), Vernier caliper ( least count 0.01 cm)and screw guage ( least count 0.001 cm)etc. Two students A and B performed an experiment to find volume of two identical cylindrical wooden block by measuring their diameters and heights. They used the formula V= π d²h/4. Q28.By taking more number of observations, which kind of error is reduced? Systematicrandombothnone

There are different length measuring instruments in laboratory. For ex

1.	There are different length measuring instruments in laboratory. For example wooden scale ( least count 0.1 cm), Vernier caliper ( least count 0.01 cm)and screw guage ( least count 0.001 cm)etc. Two students A and B performed an experiment to find volume of two identical cylindrical wooden block by measuring their diameters and heights. They used the formula V= π d²h/4. Q28.By taking more number of observations, which kind of error is reduced? Systematicrandombothnone
Answer» There are different length measuring instruments in laboratory. For example wooden scale ( least count 0.1 CM), Vernier caliper ( least count 0.01 cm)and screw guage ( least count 0.001 cm)ETC. Two students A and B performed an experiment to find volume of two identical CYLINDRICAL wooden block by measuring their diameters and heights. They used the FORMULA V= π d²h/4. Q28

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