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Black body peak wavelength (Wien's law) shows where maximum thermal radiation occurs: λ_peak = 2.898×10⁻³ / T.

ଷ୍ଟେପ୍-ଷ୍ଟେପ୍ ଗାଇଡ୍ |

  1. 1Input object temperature (Kelvin)
  2. 2Calculate peak wavelength
  3. 3Determine radiation type: infrared, visible, ultraviolet

ସମାଧାନ ହୋଇଥିବା ଉଦାହରଣ

ଇନପୁଟ୍
T = 5778 K (Sun)
ଫଳ
λ ≈ 501 nm (green, why Sun looks white)
Eyes sensitive to whole spectrum

ଏଡ଼ାଇବା ଯୋଗ୍ୟ ସାଧାରଣ ଭୁଲ

  • Confusing peak with average wavelength
  • Forgetting Kelvin temperature required

ବାରମ୍ବାର ଜିଜ୍ଞାସା

Why does hotter mean shorter wavelength?

Higher vibration frequency, shorter wavelength for same photons.

ସେଟିଂ