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प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
The error in reading a scale due to the wrong positioning of the eye is called human error.
विकल्प
True
False
उत्तर
False.
The error in reading a scale due to the wrong positioning of the eye is called parallax error.
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संबंधित प्रश्न
A piece of brass of volume 30 cm3 has a mass of 252 g. Find the density of brass in (i) g cm-3, (ii) kg m-3.
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State two characteristics of a unit.
Convert the following quantity as indicated:
20 cm = m
Convert the following quantity as indicated:
1 yard = m
Convert the following quantity as indicated:
2500 kg = ………. metric tonne.
Name the S.I. unit.
Name some of the derived quantities.
A physical quantity A is dependent on other four physical quantities p, q, r and s as given below A = `sqrt("pq"/("r"^2"s"^3))`. The percentage error of measurement in p, q, r and s are 1%, 3%, 0.5% and 0.33% respectively, then the maximum percentage error in A is ______ %.
The density of a material in SI unit is 128 kg m-3. In certain units in which the unit of length is 25 cm and the unit of mass is 50 g, the numerical value of density of the material is _____.
