(a)
The flux from the each square meter of the planet’s surface if its temperature is
(a)
Answer to Problem 45QAP
The flux per square meter of the planet is
Explanation of Solution
The radius of the Earth is
Write the expression for the surface area of the planet.
Here,
Write the expression for the flux from a square meter of the planet’s surface.
Here,
Conclusion:
Substitute
Substitute
Thus, the flux per square meter of the planet is
(b)
The luminosity of the planet that has the temperature of
(b)
Answer to Problem 45QAP
The luminosity of the planet will be
Explanation of Solution
Write the expression for the Luminosity of the planet.
Here,
Conclusion:
Substitute
Thus, the luminosity of the planet will be
(c)
The peak wavelength of the
(c)
Answer to Problem 45QAP
The peak wavelength of emission of the planet is
Explanation of Solution
Write the expression for the peak wavelength of emission from the planet.
Here,
Conclusion:
Substitute
Thus, the peak wavelength of emission of the planet is
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Chapter 5 Solutions
Understanding Our Universe
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