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प्रश्न
Name the part of the electromagnetic spectrum which is stopped by the face mask worn by welders. Also write the order of wavelengths in the given case.
लघु उत्तर
उत्तर
The infrared region of the electromagnetic spectrum is the portion blocked by equipment such as face masks and welding equipment. The order of wavelengths found in the infrared range is approximately 700 nanometers to one millimeter.
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