electromagnetic radiations the range of their frequency – Discussion Forum

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Maninder Singh

Asked: December 23, 2024In: Class 12 Physics

Welders wear special goggles or face masks with glass windows to protect their eyes from electromagnetic radiations. Name the radiations and write the range of their frequency.

Welders wear special glass goggles or face masks with glass windows to protect their eyes from large amout of ultraviolet rays produced by welding arcs. Frequency range of ultraviolet radition is from 7 × 10¹⁴ Hz to 5 × 10¹⁷ ...