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Measurement Error

Class 9 Science के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ScienceWhy may measuring the time for ten oscillations be more useful than timing one oscillation in a pendulum experiment?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIn a hypothesis test the effect appears only when measurements are near the limit of the instrument. What is the most appropriate caution?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA student records the temperature immediately after placing a thermometer in a liquid. Why may the result be incorrect?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhich experimental improvement would reduce the effect of human reaction time the most?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceIn an experiment a person operates a stopwatch to measure reaction time. What is the best way to reduce error?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceIf an instrument used in an experiment is not showing a correct value what should be done first?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceA measuring cylinder was kept tilted during an experiment. What type of problem will this cause?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceThe starting edge of a ruler is broken and the zero mark is unavailable. How should the correct length be determined?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsExpert ScienceWhich method would reduce the effect of human reaction time the most?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceA measuring cylinder was placed on a tilted surface during an experiment. What problem would this mainly cause?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceIf a scale is not placed from the soil surface while measuring plant height what type of error may occur?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceWhat should be done when an unusual result is found in an observation?Class 9Exploration: Entering the World of Secondary ScienceRecording and analysing dataEasy ScienceIf two students obtain different results in the same experiment what should be the first suitable step?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceEasy