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While measuring the period of pendulums of different lengths the mass of the bob is kept constant. What is the purpose of keeping mass constant?

Answer and explanation

Correct answer: Test the effect of length fairly

Keeping mass constant allows a clear comparison of the effect of length. Controlled variables reduce alternative explanations.

Related tags

VariablesPendulumControlled VariableFair TestVariables In An ExperimentExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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