Q. Planck’s law reduces to Rayleigh-Jeans law at

प्लैंक का नियम रेले-जीन्स नियम में बदल जाता है

A
Low temperatures
कम तामपान
B
High frequencies
उच्च आवृत्तियाँ
C
Long wavelengths
लंबी तरंग दैर्ध्य
D
Short wavelengths
लघु तरंग दैर्ध्य

Explanation

Planck’s law matches the classical Rayleigh-Jeans law at long wavelengths (low frequencies). At short wavelengths (high frequencies), Rayleigh-Jeans law fails (ultraviolet catastrophe), which Planck’s law corrects.

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