
Concept explainers
The correct option for the surface temperature of two stars.

Answer to Problem 1FC
The correct option for the surface temperature of two stars is “(a) star A has the greater surface temperature”.
Explanation of Solution
Given data:
Star “A” has maximum curve at shorter wavelength than star “B”.
Explanation:
Refer to Figure 29.2 in the textbook for the
At high temperature, the intensity per unit length is greater, and the maximum curve is obtained at shorter wavelength. Since star “A” has the maximum curve at shorter wavelength than star “B”, the surface temperature is greater in star “A”. Therefore, option (a) is correct. Remaining options (b), (c), and (d) are incorrect.
Conclusion:
Hence, the correct option for the surface temperature of two stars is “(a) star A has the greater surface temperature”.
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Chapter 29 Solutions
Cutnell & Johnson Physics - Eleventh Edition
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