Answer
$1.1\times10^{-3}m$
Work Step by Step
Use Wien’s law, equation 27–2.
$$\lambda_p =\frac{2.90\times10^{-3}m \cdot K}{T}$$
$$\lambda_p =\frac{2.90\times10^{-3}m \cdot K}{2.7K}=1.1\times10^{-3}m$$
Physics: Principles with Applications (7th Edition)
by Giancoli, Douglas C.
Published by
Pearson
ISBN 10:
0-32162-592-7
ISBN 13:
978-0-32162-592-2
Chapter 33 - Astrophysics and Cosmology - Problems - Page 982: 33
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