The Surface of the Sun Has a Temperature of About

question 72

Multiple Choice

The surface of the Sun has a temperature of about 5,770 K.If the radius of the Sun is 7 × 10⁸ m,determine the power output of the sun.(Take e = 1,and σ = 5.67 × 10−⁸ W/m²⋅K⁴) .

• A) 3.87 × 10²⁶ W
• B) 1.23 × 10²⁷ W
• C) 6.71 × 10²² W
• D) 2.23 × 10³⁰ W
• E) 5.53 × 10¹⁷ W