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

Convert between Intensity as f'n of wavelength and intencity as f'n of frequency

1. Homework Statement

Bλ(T) = β Bν(T) / λ2
v = frequency
λ = wavelength

find β , if Bλ(T) is in units Watt/m2/μm while Bν(T) is in units Jy (= 10−26 Watt/m2/Hz)

2. Homework Equations



3. The Attempt at a Solution
I know that first of all Bλ(T) = Bν(T) * |dv/dλ| = Bv(T) * c / λ^2
so at least one part of Beta should be c

Do i multiple Bv(T) Times 10^26 * 10^-6 to account for the different units?

so that β = c * 10^20?
Or is this wrong?
 

Want to reply to this thread?

"Convert between Intensity as f'n of wavelength and intencity as f'n of frequency" You must log in or register to reply here.

Related Threads for: Convert between Intensity as f'n of wavelength and intencity as f'n of frequency

Replies
2
Views
212
Replies
8
Views
16K
Replies
6
Views
2K
  • Posted
Replies
5
Views
6K
Replies
20
Views
12K
Replies
3
Views
2K
  • Posted
Replies
0
Views
1K

Physics Forums Values

We Value Quality
• Topics based on mainstream science
• Proper English grammar and spelling
We Value Civility
• Positive and compassionate attitudes
• Patience while debating
We Value Productivity
• Disciplined to remain on-topic
• Recognition of own weaknesses
• Solo and co-op problem solving
Top