How much energy can a plant absorb in ultraviolet light

  • Thread starter nibbel11
  • Start date
  • #1
36
2

Main Question or Discussion Point

i want to know how much energy does a plant absorb in ultraviolet light, but i have no idea how i am going to do that.
 

Answers and Replies

  • #2
davenn
Science Advisor
Gold Member
2019 Award
9,228
7,482
your Q is very vague

how much before it shrivels up and dies ?


tells us more about what you are trying to achieve
 
  • Like
Likes jim mcnamara
  • #3
20
7
Changes in the color of the leaf can tell you if it receives too much or too less light.
 
  • #4
davenn
Science Advisor
Gold Member
2019 Award
9,228
7,482
Changes in the color of the leaf can tell you if it receives too much or too less light.
the OP was referring specifically to UV light
 
  • #5
36
2
well i want to know how much energy this plant the "Drosera falconeri" can absorb from light in a specific time in the best circumstances. i thought that uv was the light with the most energy
 
  • #6
davenn
Science Advisor
Gold Member
2019 Award
9,228
7,482
well i want to know how much energy this plant the "Drosera falconeri" can absorb from light in a specific time in the best circumstances. i thought that uv was the light with the most energy
yes, but not necessarily the wavelength that is best absorbed
 
  • #7
36
2
so what is, and is there some kind of formula to calculate the energy absorbed in a specific time at a specific area and a wave land
 
  • #8
20
7
There are some device you can use with measuring energy, but... I'm not sure with how you use it in measuring the energy absorption in plants..
 
  • #9
256bits
Gold Member
3,137
1,148
Hi nibbler11,

The absorption of a plant would depend upon which photosynthetic chemicals are present.
From
http://hyperphysics.phy-astr.gsu.edu/hbase/Biology/ligabs.html
It is evident from these absorption and output plots that only the red and blue ends of the visible part of the electromagnetic spectrum are used by plants in photosynthesis. The reflection and transmission of the middle of the spectrum gives the leaves their green visual color.
Is that the only pigments in leaves, or plants.? Worth an investigation.

I found that graph by searching for the "photsynthesis and wavelength" in Bing.
Many more sites of relevance pop up.
 
  • #10
jim mcnamara
Mentor
3,903
2,291

Related Threads on How much energy can a plant absorb in ultraviolet light

  • Last Post
Replies
1
Views
2K
Replies
3
Views
44K
  • Last Post
Replies
5
Views
997
  • Last Post
Replies
7
Views
3K
  • Last Post
Replies
5
Views
2K
Replies
10
Views
36K
Replies
5
Views
1K
Replies
5
Views
5K
Replies
1
Views
8K
Replies
6
Views
3K
Top