Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 15 (Q.No. 16)
16.
If the mean temperature of Sun's surface 6000 K and λm of its radiation is 0.5 what is the mean temperature of earth surface for which λm is 10.0 μm, according to Wien's Displacement Law in Remote Seniror Concept ?
25 °C
28 °C
27 °C
30 °C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Mona said:   7 years ago
Peak wavelength * temperature = constant.

Temperature at earth = .5 * 6000/10 kelvin = 300 k =27° celcius.
(1)

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