• Support PF! Buy your school textbooks, materials and every day products Here!

Cold & Hot transition of light

  • Thread starter peps
  • Start date
  • #1
4
0
Can someone briefly explain the definition or the difference between a cold and hot transition of light?

Hot transition involves a change in an atoms vibration and standing wave patterns from absorbtion of higher frequency, such as skin sunburn from long exposures to ultraviolet light or physical change in food from microwave.

What are some examples and the process of cold transitions?
 

Answers and Replies

  • #2
5,428
291
When light is absorbed by a leaf or some other green life, the energy is used to make chemical bonds and not heat. Also when light is absorbed in the eye, it causes neural impulses.
 

Related Threads on Cold & Hot transition of light

Replies
1
Views
13K
Replies
3
Views
983
Replies
10
Views
765
Replies
12
Views
426
Replies
3
Views
7K
  • Last Post
Replies
6
Views
947
  • Last Post
Replies
1
Views
22K
  • Last Post
Replies
1
Views
3K
  • Last Post
Replies
12
Views
15K
Replies
4
Views
2K
Top