Three graphs marked as 1, 2, 3 representing the variation of maximum emissive power and wavelength of radiation of the sun, a welding arc and a tungsten filament. Which of the following combination is correct
Text Solution
Verified by ExpertsThe correct answer is:
A
According to Wien’s displacement law
λ m T = constant
∴ T ∝ 
from graph λ max(a) > λ max(b) > λ max(c)
∴ T 1 < T 2 < T 3
the material having law temperature has the graph having lower peak.
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