Physics is a quantitative science based primarily on:
Correct answer: C. Experiment and Measurement
- A. Fundamental Quantities
- B. Definition
- C. Experiment and Measurement
- D. Description of facts
Explanation
C is a correct statement. Physics relies heavily on experimental observations and measurements. Through experiments, physicists gather data to formulate and test theories. Measurements of physical quantities provide the quantitative basis for understanding and predicting the behavior of the physical world.
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About Measurements
Physical quantities are expressed with SI base and derived units, while measurement limits are described through accuracy, precision, absolute and percentage error, and significant figures. Dimensional analysis checks equations, derives relationships and detects inconsistent units, but it cannot determine numerical constants or distinguish quantities with identical dimensions.
Practise Measurements
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