The electromagnetic rays which are widely used to disinfect water are Ultraviolet (UV) rays.

Here are the steps explaining how UV rays disinfect water:

1. Water to be disinfected is exposed to UV light, specifically UV-C light, which is the most lethal wavelength for microorganisms.

2. The UV light penetrates the cells of bacteria and viruses in the water.

3. The UV light then alters the DNA (genetic material) of these microorganisms, which prevents them from reproducing.

4. Without the ability to reproduce, these microorganisms cannot cause disease, effectively disinfecting the water.

5. The disinfected water is then safe to drink.

This method of disinfection is effective, quick, and does not use any chemicals.

Question

The electromagnetic rays which are widely used to disinfect water are Ultraviolet (UV) rays.

Here are the steps explaining how UV rays disinfect water:

1. Water to be disinfected is exposed to UV light, specifically UV-C light, which is the most lethal wavelength for microorganisms.

2. The UV light penetrates the cells of bacteria and viruses in the water.

3. The UV light then alters the DNA (genetic material) of these microorganisms, which prevents them from reproducing.

4. Without the ability to reproduce, these microorganisms cannot cause disease, effectively disinfecting the water.

5. The disinfected water is then safe to drink.

This method of disinfection is effective, quick, and does not use any chemicals.

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