The surface of the Sun has a temperature of about 5 800 K.If the radius of the Sun is 7 x 10⁸ m,determine the power output of the sun.(Take e = 1,and s = 5.67 x 10^-8 W/m²*K⁴). A)3.95 x 10²⁶ W B)5.17 x 10²⁷ W C)9.62 x 10²⁸ W D)6.96 x 10³⁰ W

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Quizplus · Accepted Answer

The power output of the Sun can be calculated using the Stefan-Boltzmann law: P = σeA(T^4). Here, σ = 5.67 x 10^-8 W/m^2K^4, e = 1, A = 4πr^2 (surface area of the Sun), and T = 5800 K. Substituting the values, P = 5.67 x 10^-8 * 4π * (7 x 10^8)^2 * (5800)^4 ≈ 3.95 x 10^26 W.

The Surface of the Sun Has a Temperature of About