Class/Course - Class XI

Subject - Physics

Chapter - Thermal Properties of Matter

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Q.1 If the radius of a star is R and it acts as a black body, what would be the temperature of the star, in which the rate of energy production in Q?
  Q/4 π R2 σ
  (Q/4 π R2 σ)-1/2
  (4 π R2 Q/σ)1/4
  (Q/4 π R2 σ)1/4