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Question 30864
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Elasticity, Thermal Expansion, Calorimetry and Heat Transfer: Radiation MCQ

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RadiationEasyQuestion 30864

Question

Wien's displacement law states that:
  1. A
    λ_max ∝ T
  2. B
    λ_max ∝ 1/T
    Correct
  3. C
    λ_max ∝ T²
  4. D
    λ_max is constant

Correct answer

λ_max ∝ 1/T

Explanation

λ_max × T = b (Wien's constant ≈ 2.9×10⁻³ m·K). Hotter bodies emit at shorter peak wavelengths.

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