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Physics · PYQ NEET UG 2026

हिन्दी

Consider that ( \sigma_s ), ( k_B ), ( b ) represent Stefan-Boltzmann constant, Boltzmann constant and Wien's displacement law constant, respectively. The dimension of ( \sigma_s k_B^{-1} b ) is :

  1. ( [L^{-1} T^{-1} K^{-2}] )
  2. ( [L^{-1} K^{-2}] )
  3. ( [L^{-1} T^{-1} K^{-3}] )
  4. ( [L^{-1} T^{-1} K^{-4}] )

Correct answer · Option 1

( [L^{-1} T^{-1} K^{-2}] )

Explanation

Substituting the dimensions of Stefan-Boltzmann constant ([MT^{-3}K^{-4}]), Boltzmann constant ([ML^2T^{-2}K^{-1}]), and Wien's constant ([LK]), we get the resulting dimension.
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