Part A
Two stars, both of which behave l

Question

Part A
Two stars, both of which behave like ideal blackbodies, radiate the
same total energy per second. The cooler one has a surface
temperature T and 3.5 times the diameter of the hotter star.
What is the temperature of the hotter star in terms of T?
IVO AQ
?
T/T =
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Part B
What is the ratio of the peak-intensity wavelength of the hot star to the peak-intensity wavelength of the cool star?
VAZO
?
m (hot)
(cool)
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Kunduz · Accepted Answer

-CU
(1)
-C2J
T
13.5
Ratio of heak wavelength we use weins
displacement law :
X, T = constant
12. I = Cons tout
'
where ^, = Peak wavelength of hotterstar.
12 = peak wavelength of cooler star.
Divide both eqt we get.
XT
...
T
=
constant
constant.
X2 ( 7 3
13:
a
X2 3.5

Part A Two stars, both of which behave like ideal blackbodies, radiate the same total energy per second. The cooler one has a su