Question

। तरंग-दैर्घ्य परास 6A से 4000A​

Answer 1

SOLUTION

TO DETERMINE

• The name of electromagnetic wave whose wavelength range is 6Å to 4000Å.

• The two main uses.

EVALUATION

UV rays ( Ultraviolet rays ) is the electromagnetic wave whose wavelength range is 6Å to 4000Å.

Ultraviolet rays has shorter wavelengths than visible light.

Uses :

1. It study of Chemistry UV rays is used to analyze the chemical structure of organic compounds

2. In Hospitals UV lamps are used to sterilise surgical equipment

3. UV rays are used to kill bacteria.

4. UV rays are used in the treatment of skin problems

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