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……………….. rays are used in sterilizing su...

……………….. rays are used in sterilizing surgical instruments.

A

Yellow

B

Red

C

UV

D

IR

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**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks which type of rays are used in sterilizing surgical instruments. We need to identify the correct type of rays from the given options. 2. **Analyzing the Options**: The options provided are: - Yellow rays - Red rays - Ultraviolet rays - Infrared rays 3. **Knowledge of Rays**: - **Yellow rays**: These are part of the visible spectrum and do not have sterilizing properties. - **Red rays**: Also part of the visible spectrum, red rays do not possess the ability to kill bacteria. - **Ultraviolet rays**: These rays are known for their germicidal properties. They can kill bacteria and viruses, making them effective for sterilization. - **Infrared rays**: These rays are primarily associated with heat and do not have sterilizing properties. 4. **Conclusion**: Since ultraviolet rays have the capability to kill bacteria and are used for sterilizing surgical instruments, the correct answer is "ultraviolet rays". 5. **Final Answer**: Ultraviolet rays are used in sterilizing surgical instruments. ---
**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks which type of rays are used in sterilizing surgical instruments. We need to identify the correct type of rays from the given options. 2. **Analyzing the Options**: The options provided are: - Yellow rays - Red rays - Ultraviolet rays ...
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