LECTURE 8 - max for higher temperature T the value of ...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
AST 301 (2/19/08) Intensity- I= amount of electromagnetic energy radiated per unit time from each unit of surface area of the emitter at wavelength λ Units- I( λ ) = erg/ cm2 x sec Wien’s Law: For a given T, radiation intensity peaks at a single λ ; call this
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: λ max. for higher temperature T, the value of λ is smaller. λ max = 1/ T We turn this inverse proportionality into an equation by including the proportionality constant, λ max(A) = (3X10^7) / T(K) λ max(nm) = (3X10^6) / T(K)...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online