Question

ultraviolet rays and infrared rays​

Answer 1

Ultraviolet rays: 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. UV radiation is present in sunlight, and contributes about 10% of the total electromagnetic radiation output from the Sun.

Infrared Rays: Infrared radiation, sometimes called infrared light, is electromagnetic radiation with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye, although IR at wavelengths up to 1050 nanometers s from specially pulsed lasers can be seen by humans under certain conditions.

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