ultraviolet rays electromagnetic spectrum Flashcards
1
Q
what are the uses of ultraviolet rays?
A
Medical imaging,medical and forensic photography,air purification and disinfection.
2
Q
Why are ultraviolet rays used towards money?
A
To detect any fake bank notes.
3
Q
Why is exposure to ultarviolet rays problematic towards humans?
A
Exposure to ultarviolet rays can lead to skin cancer,skin burns and formations of cartarct in the eye.
4
Q
What does UV do skin cells during tanning?
A
The UV provides energy to skin cells.Leading to skin cells to change in colour.
