In a visual display unit, the primary colours are / चाक्षुष प्रदर्श एकक में प्राथमिक रंग होते हैं।

Options

A. red, yellow, blue/ लाल, पीला, नीला
B. red, green, blue/ लाल, हरा, नीला
C. red, white, yellow/ लाल, सफेद, पीला
D. red, green, yellow/ लाल, सफेद, पीला

Explanation

**Step-by-Step Solution:**

1. **Understanding Primary Colors**: In the context of visual display units, primary colors are the fundamental colors that can be combined to create a wide spectrum of other colors.

2. **Identifying Primary Colors**: The primary colors used in most visual display units, such as monitors and televisions, are Red, Green, and Blue (RGB).

3. **Mixing Colors**: When these primary colors are mixed in various intensities, they produce different colors. For example, combining red and green produces yellow, red and blue produce magenta, and green and blue produce cyan.

4. **Conclusion**: Therefore, the primary colors in a visual display unit are Red, Green, and Blue.

**Final Answer**: The primary colors in a visual display unit are Red, Green, and Blue.

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