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Concentration

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

ScienceIn an investigation salt concentration is the independent variable. Which option is the best set of its levels?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMediumScienceIf the effect of sound intensity on concentration is investigated which would be the most suitable dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHardScienceAn experiment tests the effect of sound intensity on concentration. Participants are given questions of different difficulty. Which variable was not controlled?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHardScienceA research question asks whether urban noise affects student concentration. How can concentration be operationalised?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsExpert

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