Biology, asked by BrainlyHelper, 1 year ago

 Discuss briefly on ultraviolet B?                                                         class 12th cbse biology sample paper

Answers

Answered by aggarwaldeepans
2

Ultraviolet B is a type of short UV waves.

UV B are generally those UV which will enters in earth atmosphere and fall on earth's surface.

This rays generally penetrate deep inside the derma and usually burn the superficial layers of skin. UV B can also lead to skin cancer and other derma problems and also causes eyes infection.

The damage caused by UV B is permanent in incurable.

Answered by IRahulJaykarI
0

Answer:

Ultraviolet-B

It is an electromagnetic radiation possessing a short wavelength compared to the visible light. They are produced by Sun, and are harmful rays which penetrate through the ozone hole on the surface of the Earth. UV-B poses many health hazards in humans, it damages DNA, activating the skin ageing process. These rays are also known to cause skin cancer and skin darkening. High levels of UV-B causes corneal cataract in humans.

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