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Why is it important to understand the correct meaning of (c) in (E=mc^2)?

Answer and explanation

Correct answer: Because (c) represents the speed of light in vacuum

The governing concept is the interpretation of symbols in a scientific equation. In E = mc², the symbol c conventionally means the speed of light in vacuum, approximately 3 × 10⁸ metres per second. Because it is squared, its numerical value is extremely large and it explains why a small quantity of mass can correspond to enormous energy. Therefore option A is correct. The letter c can have other meanings in other contexts, but not in this equation: colour is not the intended meaning, electric current is commonly represented by I, and a circle’s circumference is not represented by c here. Understanding symbols prevents a fundamentally wrong calculation or interpretation.

Related tags

EinsteinEmc2Speed Of LightScientific SymbolsBiography Of Albert EinsteinA Truly Beautiful MindEnglishClass 9 Mcq

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