Environmental Sciences, asked by Chiran9772, 1 year ago

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

Answers

Answered by steny1
55
Welders wear special goggles or face masks with glass windows to protect their eyes from Ultra Violet Rays (UV-rays).
Frequency range of UV- rays is 7.5×1014 to5×1017 Hz (800 THz to 30 PHz).

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Answered by Anonymous
9

Welders wear special goggles or face masks with glass window to protect their eyes from electromagnetic radiations.

These radiations are mainly intense UV and infrared radiations, which are very harmful for human body ,it can cause life-taking diseases.

UV frequency:

7,5 × 10 14 – 3 × 10 16

Infrared frequency:

3 × 10 12 – 4,3 × 10 14

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