Examlex
When light travels from a larger index of refraction towards a smaller index of refraction, there is no phase change upon reflection at the boundary.
Objectivity
The practice of maintaining impartiality and neutrality, avoiding bias or subjective influences in judgments and analyses.
Scientific Method
A systematic process for conducting research and experimentation, involving the observation, hypothesis formation, experimentation, and the analysis of data to draw conclusions.
Economics
Economics is the social science that studies how individuals, governments, firms, and nations make choices on allocating scarce resources to satisfy their unlimited wants.
Experiments
Scientific procedures undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
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