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Which of the following is not a primary color?
Yellow
Red
Blue
Green
Yellow
Yellow is not a primary color in the context of physics and optics, where the primary colors of light are red, green, and blue (RGB). Instead, yellow is a secondary color formed by combining red and green light.
Yellow is not a primary color in the context of physics and optics, where the primary colors of light are red, green, and blue (RGB). Instead, yellow is a secondary color formed by combining red and green light.
In physics, the additive color model forms the foundation of optics, explaining how light wavelengths interact with human photoreceptor cone cells.
The primary colors of light in the additive color system are Red, Green, and Blue.
Yellow is a secondary color produced by mixing red and green light wavelengths.
Scientific questions in competitive exams follow the physics-based RGB model rather than the artistic RYB pigment model.
Option A (Yellow) is correct because it is a secondary color of light, not a primary one.
Option B (Red) is a primary additive color of light.
Option C (Blue) is a primary additive color of light.
Option D (Green) is a primary additive color of light.
A is correct тАФ Yellow is a secondary color of light rather than a primary color.
Optics questions covering light properties, the electromagnetic spectrum, and color mixing are high-yield areas for RRB and general science exams.
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