Write a note on ultraviolet rays and infra-red rays.

1.	Write a note on ultraviolet rays and infra-red rays.
Answer» Answer: Ultraviolet (UV) designates a band of the electromagnetic spectrum with wavelength from 10 nm to 400 nm, shorter than that of VISIBLE light but longer than X-rays. ... Suntan and sunburn are familiar effects of over-exposure of the skin to UV, along with higher risk of skin cancer. Explanation: infrared (IR) and the ultraviolet(UV) represent the two extremities of the visible spectrum (400-700nm). While IR represents electromagnetic RADIATION with wavelengths longer than those of visible light, UV represents wavelengths shorter than visible light. *pls* *MARK* it as *BRAINLIST* *answer*

Answer»

Answer:

Ultraviolet (UV) designates a band of the electromagnetic spectrum with wavelength from 10 nm to 400 nm, shorter than that of VISIBLE light but longer than X-rays. ... Suntan and sunburn are familiar effects of over-exposure of the skin to UV, along with higher risk of skin cancer.

Explanation:

infrared (IR) and the ultraviolet(UV) represent the two extremities of the visible spectrum (400-700nm). While IR represents electromagnetic RADIATION with wavelengths longer than those of visible light, UV represents wavelengths shorter than visible light.

pls MARK it as BRAINLIST answer

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