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Why is using natural light good?

Answer and explanation

Correct answer: It reduces the need for electricity

The governing concept is energy conservation through passive building design. During daylight hours, windows, skylights, and other openings can provide sufficient natural illumination for many indoor activities. When natural light is used effectively, people need to switch on fewer electric lamps or use them for fewer hours. This reduces the demand for electricity used for lighting, though the actual saving depends on the room, season, weather, window design, and user habits. Natural light does not inherently increase water use or dust, and increasing electricity consumption is the opposite of the expected benefit. Therefore, option B is correct and represents a common green-building practice.

Related tags

Natural LightEnergy ConservationGreen BuildingsGreen SkillsSustainable DesignEmployability SkillsArtificial IntelligenceClass 12 Mcq

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