UV's and Intensity

Question 1

What are the 3 UV’s?

Answer 1

UVA, UVB , UVC

Question 2

Describe UVA

Answer 2

-Can penetrate through deep layers of skin and is responsible for the immediate tanning effect.

Question 3

Describe UVB

Answer 3

-Causes sunburn and sometimes genetic damage (resulting in skin cancer)

Question 4

Describe UVC

Answer 4

-Completely absorbed by zone layer

Question 5

Definition of intensity

Answer 5

Power per unit area, perpendicular to the direction of energy transfer

Question 6

Intensity equation.

Answer 6

Power/surface area